-7a=63

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Solution for -7a=63 equation: 


a in (-oo:+oo)

-7*a = 63 // - 63

-7*a-63 = 0

-7*a-63 = 0 // + 63

-7*a = 63 // : -7

a = 63/(-7)

a = -9

a = -9

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