-120=-10(-2b)

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Solution for -120=-10(-2b) equation:


Simplifying
-120 = -10(-2b)

Remove parenthesis around (-2b)
-120 = -10 * -2b

Multiply -10 * -2
-120 = 20b

Solving
-120 = 20b

Solving for variable 'b'.

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

Add '-20b' to each side of the equation.
-120 + -20b = 20b + -20b

Combine like terms: 20b + -20b = 0
-120 + -20b = 0

Add '120' to each side of the equation.
-120 + 120 + -20b = 0 + 120

Combine like terms: -120 + 120 = 0
0 + -20b = 0 + 120
-20b = 0 + 120

Combine like terms: 0 + 120 = 120
-20b = 120

Divide each side by '-20'.
b = -6

Simplifying
b = -6

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