-945=21b

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Solution for -945=21b equation:


Simplifying
-945 = 21b

Solving
-945 = 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.
-945 + -21b = 21b + -21b

Combine like terms: 21b + -21b = 0
-945 + -21b = 0

Add '945' to each side of the equation.
-945 + 945 + -21b = 0 + 945

Combine like terms: -945 + 945 = 0
0 + -21b = 0 + 945
-21b = 0 + 945

Combine like terms: 0 + 945 = 945
-21b = 945

Divide each side by '-21'.
b = -45

Simplifying
b = -45

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