SOLUTION: solve by substitution
x+y=5 and x=y+7
Algebra.Com
Question 575903: solve by substitution
x+y=5 and x=y+7
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
x+y=5
y+7+y=5
2y+7=5
2y = 5-7
2y = -2
y = -2/2
y = -1
Now use this to find x. Your answer will be of the form (x,y)
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