4a+4=40

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Solution for 4a+4=40 equation:


a in (-oo:+oo)

4*a+4 = 40 // - 40

4*a-40+4 = 0

4*a-36 = 0 // + 36

4*a = 36 // : 4

a = 36/4

a = 9

a = 9

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