378=(-21b)

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Solution for 378=(-21b) equation:


Simplifying
378 = (-21b)

Solving
378 = (-21b)

Solving for variable 'b'.

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

Add '(21b)' to each side of the equation.
378 + (21b) = (-21b) + (21b)

Combine like terms: (-21b) + (21b) = 0
378 + (21b) = 0

Add '-378' to each side of the equation.
378 + -378 + (21b) = 0 + -378

Combine like terms: 378 + -378 = 0
0 + (21b) = 0 + -378
(21b) = 0 + -378

Combine like terms: 0 + -378 = -378
(21b) = -378

Divide each side by '21'.
b = -18

Simplifying
b = -18

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