2a-7+2a=-55

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Solution for 2a-7+2a=-55 equation: 


a in (-oo:+oo)

2*a+2*a-7 = -55 // + 55

2*a+2*a-7+55 = 0

4*a+48 = 0 // - 48

4*a = -48 // : 4

a = -48/4

a = -12

a = -12

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