Determine the value of 3(x+6)-7 when x=7
The value is 32. Solution: 3(x + 6)- 7 when x = 7; 3(7 + 6) - 7 = 3(13) - 7 = 39 - 7 = 32
Question
Updated 11/17/2014 3:29:04 PM
Edited by andrewpallarca [11/17/2014 3:28:27 PM], Confirmed by andrewpallarca [11/17/2014 3:28:28 PM]
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Select the simplified expression for 6(x - 6) - 2(x - 3) + 3x.
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Updated 11/17/2014 3:27:02 PM
6(x - 6) - 2(x - 3) + 3x
= 6x - 36 - 2x + 6 + 3x
= 4x - 30 + 3x
= 7x - 30
Identify the solution(s) of the system of equations, if any. -4x - 2y = 12 6y = -12x - 36
Weegy: -4X-2y=12 -12X-6Y=36 X=(12+2Y)/-4 substitute x to second equation -12[(12+2Y)/-4]-6Y=36 36+6Y-6Y=36 0=0 User: Identify the solution(s) of the system of equations, if any. x + 5y = 4 2x - 5y = 2 (More)
Question
Updated 11/22/2014 2:35:17 AM
The solution(s) of the system of equations : -4x - 2y = 12 6y = -12x - 36 is it has infinite solutions .
-4x - 2y = 12 is equal to -2x - y = 6 ,
6y = -12x - 36 is also equal to -2x - y = 6 ,
so it has infinite solutions .
Deleted by andrewpallarca [11/22/2014 2:49:42 AM], Undeleted by andrewpallarca [11/22/2014 2:49:44 AM], Confirmed by andrewpallarca [11/22/2014 2:49:48 AM], Rated good by andrewpallarca
The solution(s) of the system of equations of x + 5y = 4 2x - 5y = 2 is x = 2 , y = 2/5.
equation 1 add equation 2 ,
x + 5y + 2x - 5y = 4 + 2
3x = 6
x = 2
2 + 5y = 4
5y = 2
y = 2/5 .
Confirmed by andrewpallarca [11/22/2014 2:50:43 AM], Rated good by andrewpallarca
Identify the solution(s) of the system of equations, if any. x + 5y = 4 2x - 5y = 2
Weegy: There are 3 terms here, in this expression x - 5y + 3 + x User: Identify the solution(s) of the system of equations, if any. x + 5y = 4 2x - 5y = 2 Weegy: I can't graph it for you, [ but I can give you the information to plot. Moving x over yields: 5y = 2x + 10 Dividing both sides by five will isolate y: y = 2/5x + 2 This means that the line has a y-intercept of 2 (it crosses the y axis at 2) and a slope of 2/5 (or moves 5 x units for every 2 y units). ] User: Identify the solution(s) of the system of equations, if any. 4x + 2y = 4 y = 3 - 3x Weegy: 4x - 4y = 10 divided by 2 on both sides the result is: 2x - 2y = 5 (equ. 1) 3x + 2y = 5 (equ. 2) adding up equations 1 and 2 the result is: 5x = 10 x = 10/5 = 2 4(2) - 4y = 10 -4y = 10 - 8 = 2 y = 2/-4 = -1/2 The solution for the system 4x - 4y = 10 3x + 2y = 5 is (2, -1/2) (More)
Question
Updated 11/21/2014 5:48:38 PM
The solution(s) of the system of equations, x + 5y = 4 2x - 5y = 2 is x = 2, y = 2/5 .
Equation 1 add equation 2 ,
x + 5y + 2x - 5y = 4 + 2
3x = 6
x = 6/3
x = 2
put x = 2 in equation 1
2 + 5y = 4
5y = 2
y = 2/5 .

Confirmed by andrewpallarca [11/21/2014 5:57:37 PM], Rated good by andrewpallarca
The solution(s) of the system of equations, 4x + 2y = 4 y = 3 - 3x is x = 1 , y = 0 .
Put equation 2 in equation
4x + 2(3 - 3x) = 4
4x + 6 - 6x = 4
-2x = -2
x = 1
y = 3 - 3*1
y = 0 .

Confirmed by andrewpallarca [11/21/2014 5:58:34 PM], Rated good by andrewpallarca
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