2+3a=-7a+72

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Solution for 2+3a=-7a+72 equation: 


a in (-oo:+oo)

3*a+2 = 72-7*a // - 72-7*a

3*a-(-7*a)-72+2 = 0

3*a+7*a-72+2 = 0

10*a-70 = 0 // + 70

10*a = 70 // : 10

a = 70/10

a = 7

a = 7

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