-480=-30(-4b)

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Solution for -480=-30(-4b) equation:


Simplifying
-480 = -30(-4b)

Remove parenthesis around (-4b)
-480 = -30 * -4b

Multiply -30 * -4
-480 = 120b

Solving
-480 = 120b

Solving for variable 'b'.

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

Add '-120b' to each side of the equation.
-480 + -120b = 120b + -120b

Combine like terms: 120b + -120b = 0
-480 + -120b = 0

Add '480' to each side of the equation.
-480 + 480 + -120b = 0 + 480

Combine like terms: -480 + 480 = 0
0 + -120b = 0 + 480
-120b = 0 + 480

Combine like terms: 0 + 480 = 480
-120b = 480

Divide each side by '-120'.
b = -4

Simplifying
b = -4

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