The solution to 3x - 7 = 14 is also a solution of which of the following equations?
2x + 12 = 28
5x - 6 = 44
3x - 9 = 18
4x - 12 = 16

f
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= (5x - 4) - (4x + 3)

= (5x - 4) + (-4x - 3)

= x - 7

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Asked 4/29/2015 11:17:24 AM

Updated 5/14/2015 1:06:34 PM

1 Answer/Comment

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Flagged by yeswey [5/14/2015 1:04:22 PM], Edited by Andrew. [5/14/2015 1:06:31 PM], Unflagged by Andrew. [5/14/2015 1:06:33 PM], Flagged by Andrew. [5/14/2015 1:06:34 PM]

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The solution to 3x - 7 = 14 is also a solution of 4x - 12 = 16.

3x - 7 = 14

3x = 14 + 7 = 21

x = 21/3 = 7;

4x - 12 = 16

4x = 16 + 12 = 28

x = 28/4 = 7

3x - 7 = 14

3x = 14 + 7 = 21

x = 21/3 = 7;

4x - 12 = 16

4x = 16 + 12 = 28

x = 28/4 = 7

Added 5/14/2015 1:05:13 PM

This answer has been confirmed as correct and helpful.

Confirmed by Andrew. [5/14/2015 1:06:35 PM]

Which of the following algebraic equations could represent the sentence, "The quotient of a number and 9 is three"?
x - 9 = 3
x + 9 = 3
= 3
9x = 3

Question

Not Answered

Updated 2/2/2016 11:24:45 PM

2 Answers/Comments

graph of y = -2x + 4. User: value of -7 + (-9) + 11 + 8.

Question

Updated 5/14/2015 1:06:15 PM

1 Answer/Comment

What is the value of -5.872 + (-5.1) ÷ 1.5?
-9.272
-2.472
-7.315
0.515

Question

Not Answered

Updated 5/1/2015 9:21:18 AM

1 Answer/Comment

Solve -3n + 4 > -8.

Question

Updated 5/1/2015 11:05:12 AM

1 Answer/Comment

-3n + 4 > -8;

-3n > -8 - 4;

-3n > -12;

n < -12/-3;

n < 4

-3n > -8 - 4;

-3n > -12;

n < -12/-3;

n < 4

Added 5/1/2015 11:05:12 AM

This answer has been confirmed as correct and helpful.

In which of the following would you divide both sides of the equation by b?
Solve for b.
Solve a - b = c for b.
Solve ab = c for a.
Solve a + b = c for b.

Question

Not Answered

Updated 5/5/2015 11:26:15 AM

1 Answer/Comment

In "Solve ab = c for a" would you divide both sides of the equation by b.

Added 5/5/2015 11:26:15 AM

This answer has been confirmed as correct and helpful.

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