20(b+7)=-20

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Solution for 20(b+7)=-20 equation:


Simplifying
20(b + 7) = -20

Reorder the terms:
20(7 + b) = -20
(7 * 20 + b * 20) = -20
(140 + 20b) = -20

Solving
140 + 20b = -20

Solving for variable 'b'.

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

Add '-140' to each side of the equation.
140 + -140 + 20b = -20 + -140

Combine like terms: 140 + -140 = 0
0 + 20b = -20 + -140
20b = -20 + -140

Combine like terms: -20 + -140 = -160
20b = -160

Divide each side by '20'.
b = -8

Simplifying
b = -8

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