7(6a-4)=140

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Solution for 7(6a-4)=140 equation: 


a in (-oo:+oo)

7*(6*a-4) = 140 // - 140

7*(6*a-4)-140 = 0

7*(6*a-4)-140 = 0

42*a-168 = 0

42*a-168 = 0

42*a-168 = 0 // + 168

42*a = 168 // : 42

a = 168/42

a = 4

a = 4

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