-7(4b+8)=140

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Solution for -7(4b+8)=140 equation:


Simplifying
-7(4b + 8) = 140

Reorder the terms:
-7(8 + 4b) = 140
(8 * -7 + 4b * -7) = 140
(-56 + -28b) = 140

Solving
-56 + -28b = 140

Solving for variable 'b'.

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

Add '56' to each side of the equation.
-56 + 56 + -28b = 140 + 56

Combine like terms: -56 + 56 = 0
0 + -28b = 140 + 56
-28b = 140 + 56

Combine like terms: 140 + 56 = 196
-28b = 196

Divide each side by '-28'.
b = -7

Simplifying
b = -7

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