-4a+9=3a+4 - solution

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Solution for -4a+9=3a+4 equation:

a in (-oo:+oo)

9-4*a = 3*a+4 // - 3*a+4

9-4*a-(3*a)-4 = 0

9-4*a-3*a-4 = 0

5-7*a = 0 // - 5

-7*a = -5 // : -7

a = -5/(-7)

a = 5/7

a = 5/7

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