3-2a=-1

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Solution for 3-2a=-1 equation: 


a in (-oo:+oo)

3-(2*a) = -1 // + 1

1-(2*a)+3 = 0

1-2*a+3 = 0

4-2*a = 0 // - 4

-2*a = -4 // : -2

a = -4/(-2)

a = 2

a = 2

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