-47=7a+2a-2

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Solution for -47=7a+2a-2 equation: 


a in (-oo:+oo)

-47 = 7*a+2*a-2 // - 7*a+2*a-2

2-(7*a)-(2*a)-47 = 0

2-7*a-2*a-47 = 0

-9*a-45 = 0 // + 45

-9*a = 45 // : -9

a = 45/(-9)

a = -5

a = -5

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