18=2a+5a-10

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Solution for 18=2a+5a-10 equation: 


a in (-oo:+oo)

18 = 2*a+5*a-10 // - 2*a+5*a-10

10-(2*a)-(5*a)+18 = 0

10-2*a-5*a+18 = 0

28-7*a = 0 // - 28

-7*a = -28 // : -7

a = -28/(-7)

a = 4

a = 4

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