-5(4-2b)=-70

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Solution for -5(4-2b)=-70 equation:


Simplifying
-5(4 + -2b) = -70
(4 * -5 + -2b * -5) = -70
(-20 + 10b) = -70

Solving
-20 + 10b = -70

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + 10b = -70 + 20

Combine like terms: -20 + 20 = 0
0 + 10b = -70 + 20
10b = -70 + 20

Combine like terms: -70 + 20 = -50
10b = -50

Divide each side by '10'.
b = -5

Simplifying
b = -5

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