7(-1-2a)=133

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Solution for 7(-1-2a)=133 equation: 


a in (-oo:+oo)

7*(-(2*a)-1) = 133 // - 133

7*(-(2*a)-1)-133 = 0

7*(-2*a-1)-133 = 0

7*(-2*a-1)-133 = 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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