2(-10+7a)=120

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Solution for 2(-10+7a)=120 equation: 


a in (-oo:+oo)

2*(7*a-10) = 120 // - 120

2*(7*a-10)-120 = 0

2*(7*a-10)-120 = 0

14*a-140 = 0

14*a-140 = 0

14*a-140 = 0 // + 140

14*a = 140 // : 14

a = 140/14

a = 10

a = 10

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