-84=-(4b-2)+4

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Solution for -84=-(4b-2)+4 equation:


Simplifying
-84 = -1(4b + -2) + 4

Reorder the terms:
-84 = -1(-2 + 4b) + 4
-84 = (-2 * -1 + 4b * -1) + 4
-84 = (2 + -4b) + 4

Reorder the terms:
-84 = 2 + 4 + -4b

Combine like terms: 2 + 4 = 6
-84 = 6 + -4b

Solving
-84 = 6 + -4b

Solving for variable 'b'.

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

Add '4b' to each side of the equation.
-84 + 4b = 6 + -4b + 4b

Combine like terms: -4b + 4b = 0
-84 + 4b = 6 + 0
-84 + 4b = 6

Add '84' to each side of the equation.
-84 + 84 + 4b = 6 + 84

Combine like terms: -84 + 84 = 0
0 + 4b = 6 + 84
4b = 6 + 84

Combine like terms: 6 + 84 = 90
4b = 90

Divide each side by '4'.
b = 22.5

Simplifying
b = 22.5

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