solve using elimination
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Answer:
(-2,-9)
Step-by-step explanation:
1. subtract the 2 equations
8x-8x--->cancels out
-4y-(-2y) = -2y
20-2=18
solve for y. y= -9
2. plug in -9 for y for one of the equations
8x-2(-9)=2
8x+18=2
8x= -16
x= -2
Check:
8(-2) - 4(-9)=20
-16+36=20
20=20