(15b-4)-7(2b+4)=-5

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Solution for (15b-4)-7(2b+4)=-5 equation:


Simplifying
(15b + -4) + -7(2b + 4) = -5

Reorder the terms:
(-4 + 15b) + -7(2b + 4) = -5

Remove parenthesis around (-4 + 15b)
-4 + 15b + -7(2b + 4) = -5

Reorder the terms:
-4 + 15b + -7(4 + 2b) = -5
-4 + 15b + (4 * -7 + 2b * -7) = -5
-4 + 15b + (-28 + -14b) = -5

Reorder the terms:
-4 + -28 + 15b + -14b = -5

Combine like terms: -4 + -28 = -32
-32 + 15b + -14b = -5

Combine like terms: 15b + -14b = 1b
-32 + 1b = -5

Solving
-32 + 1b = -5

Solving for variable 'b'.

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

Add '32' to each side of the equation.
-32 + 32 + 1b = -5 + 32

Combine like terms: -32 + 32 = 0
0 + 1b = -5 + 32
1b = -5 + 32

Combine like terms: -5 + 32 = 27
1b = 27

Divide each side by '1'.
b = 27

Simplifying
b = 27

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