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sweet [91]
4 years ago
15

Solve by elimination -3x+2y=10 -2x-y=-5

Mathematics
1 answer:
Nataly [62]4 years ago
6 0
First you need to get two similar terms to eliminate, I'll do y:
-3x + 2y = 10
-4x - 2y= -10
And then you minus
x = 20
Now you can substitute x in to one of the equations to find y:
-60 + 2y = 10
+ 60
2y = 70
÷ 2
y = 35
So your values are y = 35 and x = 20. Hope this helps!
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