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

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


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

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

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

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

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

Combine like terms: -4 + -6 = -10
-10 + 7b + -6b = -7

Combine like terms: 7b + -6b = 1b
-10 + 1b = -7

Solving
-10 + 1b = -7

Solving for variable 'b'.

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

Add '10' to each side of the equation.
-10 + 10 + 1b = -7 + 10

Combine like terms: -10 + 10 = 0
0 + 1b = -7 + 10
1b = -7 + 10

Combine like terms: -7 + 10 = 3
1b = 3

Divide each side by '1'.
b = 3

Simplifying
b = 3

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