SOLUTION: How Do I solve x=3y-1 x+2y=9
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Question 26369
:
How Do I solve x=3y-1
x+2y=9
Answer by
mathrebel(25)
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plug in 3*y-1 on the x place of the second equation:
3*y-1+2*y=9
5*y-1=9
5*y=10
y=2
so x=3*2-1=6-1=5