-4a+6+7a=15 - solution

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Solution for -4a+6+7a=15 equation:

a in (-oo:+oo)

7*a-4*a+6 = 15 // - 15

7*a-4*a-15+6 = 0

3*a-9 = 0 // + 9

3*a = 9 // : 3

a = 9/3

a = 3

a = 3

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