3+6a+2a=75 - solution

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Solution for 3+6a+2a=75 equation:

a in (-oo:+oo)

6*a+2*a+3 = 75 // - 75

6*a+2*a-75+3 = 0

8*a-72 = 0 // + 72

8*a = 72 // : 8

a = 72/8

a = 9

a = 9

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