Asked by gage
15. In the following system of equations, what does x equal?
-10x + 4y = -64
-10x - 8y = -112
-10x + 4y = -64
-10x - 8y = -112
Answers
Answered by
Damon
-10x + 4y = -64
-10x - 8y = -112
-20 x + 8 y = -128
-10 x - 8 y = -112
___________________
-30 x + 0 y = -232
x = 232/30 = 116/15
-10x - 8y = -112
-20 x + 8 y = -128
-10 x - 8 y = -112
___________________
-30 x + 0 y = -232
x = 232/30 = 116/15
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