SOLUTION: -7x+y=20
9x-3y=36
Algebra.Com
Question 148590: -7x+y=20
9x-3y=36
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Use eq. 1 to solve for y in terms of x.
1.
Now substitute this expression into eq. 2 and solve for x.
2.
Now back substitute to find y.
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