(7b-4)-2(3b+2)=-4

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Solution for (7b-4)-2(3b+2)=-4 equation:


Simplifying
(7b + -4) + -2(3b + 2) = -4

Reorder the terms:
(-4 + 7b) + -2(3b + 2) = -4

Remove parenthesis around (-4 + 7b)
-4 + 7b + -2(3b + 2) = -4

Reorder the terms:
-4 + 7b + -2(2 + 3b) = -4
-4 + 7b + (2 * -2 + 3b * -2) = -4
-4 + 7b + (-4 + -6b) = -4

Reorder the terms:
-4 + -4 + 7b + -6b = -4

Combine like terms: -4 + -4 = -8
-8 + 7b + -6b = -4

Combine like terms: 7b + -6b = 1b
-8 + 1b = -4

Solving
-8 + 1b = -4

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + 1b = -4 + 8

Combine like terms: -8 + 8 = 0
0 + 1b = -4 + 8
1b = -4 + 8

Combine like terms: -4 + 8 = 4
1b = 4

Divide each side by '1'.
b = 4

Simplifying
b = 4

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