SOLUTION: http://gyazo.com/3d7f07039ce76e01f79829c836621662 This is a picture of the question

Question 833290: http://gyazo.com/3d7f07039ce76e01f79829c836621662
This is a picture of the question
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
3x + 4y = 5
2x + 2y = 2
:
Simplify the 2nd equation, divide by 2
x + y = 1
then
y = -x + 1
:
In the first equation replace y with (-x+1)
3x + 4(-x+1) = 5
3x - 4x + 4 = 5
-x = 5 - 4
-x = 1
x = -1
:
Find y using the equation y = -x + 1, replace x with -1
y = -(-1) + 1
minus a mins is plus
y = 1 + 1
y = 2
:
:
Check solution in the 1st equation: 3x + 4y = 5
3(-1) + 4(2) = 5, confirms our solution of -1, 2
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