7=-5a+6a+4

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Solution for 7=-5a+6a+4 equation: 


a in (-oo:+oo)

7 = 6*a-5*a+4 // - 6*a-5*a+4

7-(-5*a)-(6*a)-4 = 0

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

3-a = 0 // - 3

-a = -3 // * -1

a = 3

a = 3

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