the variables of
2x+5x=-3 and y=-8
3x-y
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the variables of
2x+5y= - 3 and
y = - 8
x = 3x-y
2 ( 3x - 5 ( - 8 ) = - 3
2 ( 3x + 40 ) = - 3
6 x + 80 = - 3
6 x = -3 - 80
6 x = - 83
x = -83 / 6
x = 13. 8
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