-560=-20(-4b)

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Solution for -560=-20(-4b) equation:


Simplifying
-560 = -20(-4b)

Remove parenthesis around (-4b)
-560 = -20 * -4b

Multiply -20 * -4
-560 = 80b

Solving
-560 = 80b

Solving for variable 'b'.

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

Add '-80b' to each side of the equation.
-560 + -80b = 80b + -80b

Combine like terms: 80b + -80b = 0
-560 + -80b = 0

Add '560' to each side of the equation.
-560 + 560 + -80b = 0 + 560

Combine like terms: -560 + 560 = 0
0 + -80b = 0 + 560
-80b = 0 + 560

Combine like terms: 0 + 560 = 560
-80b = 560

Divide each side by '-80'.
b = -7

Simplifying
b = -7

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