SOLUTION: how would i solve y=2x+7 y=5x+4

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Question 22100: how would i solve y=2x+7
y=5x+4
Answer by wuwei96815(245) About Me  (Show Source):
You can put this solution on YOUR website!
The easiest way to do this problem is by substitution. Take the value for y from the first equation and substitute it for y in the second equation.

y=5x+4 becomes 2x+7=5x+4
Solving for x we get x=1
Now go back and substitute 1 for x in the first equation and solve for y.