Identify the solution(s) of the system of equations, if any 4x + 2y = 4 y = 5 - 5x
4x + 2y = 4, y = 5 - 5x 4x + 2(5 - 5x) = 4; 4x + 10 - 10x = 4; -6x + 10 = 4; -6x = 4 - 10; -6x = -6; x = 1; 4(1) + 2y = 4; 4 + 2y = 4; 2y = 4 - 4; 2y = 0; y = 0; The solution set for 4x + 2y = 4, y = 5 - 5x is {1, 0}.
Question
Updated 3/10/2015 9:01:22 PM
Edited by Andrew. [3/10/2015 8:59:29 PM]
Rating
3
4x + 2y = 4, y = 5 - 5x

4x + 2(5 - 5x) = 4;
4x + 10 - 10x = 4;
-6x + 10 = 4;
-6x = 4 - 10;
-6x = -6;
x = 1;
4(1) + 2y = 4;
4 + 2y = 4;
2y = 4 - 4;
2y = 0;
y = 0;
The solution set for 4x + 2y = 4, y = 5 - 5x is {1, 0}.

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