7(4-4b)=140

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Solution for 7(4-4b)=140 equation: 


Simplifying
7(4 + -4b) = 140
(4 * 7 + -4b * 7) = 140
(28 + -28b) = 140

Solving
28 + -28b = 140

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-28' to each side of the equation.
28 + -28 + -28b = 140 + -28

Combine like terms: 28 + -28 = 0
0 + -28b = 140 + -28
-28b = 140 + -28

Combine like terms: 140 + -28 = 112
-28b = 112

Divide each side by '-28'.
b = -4

Simplifying
b = -4

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