3-a/7=-2

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Solution for 3-a/7=-2 equation: 


a in (-oo:+oo)

3-(a/7) = -2 // + 2

2-(a/7)+3 = 0

5-1/7*a = 0 // - 5

-1/7*a = -5 // : -1/7

a = -5/(-1/7)

a = 35

a = 35

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