4a+3=a-15

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Solution for 4a+3=a-15 equation: 


a in (-oo:+oo)

4*a+3 = a-15 // - a-15

4*a-a+3+15 = 0

3*a+18 = 0 // - 18

3*a = -18 // : 3

a = -18/3

a = -6

a = -6

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