-7=1/4a

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Solution for -7=1/4a equation: 


a in (-oo:+oo)

-7 = (1/4)*a // - (1/4)*a

-((1/4)*a)-7 = 0

(-1/4)*a-7 = 0

-1/4*a-7 = 0 // + 7

-1/4*a = 7 // : -1/4

a = 7/(-1/4)

a = -28

a = -28

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