4a+7=7a-14

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Solution for 4a+7=7a-14 equation: 


a in (-oo:+oo)

4*a+7 = 7*a-14 // - 7*a-14

4*a-(7*a)+7+14 = 0

4*a-7*a+7+14 = 0

21-3*a = 0 // - 21

-3*a = -21 // : -3

a = -21/(-3)

a = 7

a = 7

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