(15b-3)-7(2b+2)=-4

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Solution for (15b-3)-7(2b+2)=-4 equation:


Simplifying
(15b + -3) + -7(2b + 2) = -4

Reorder the terms:
(-3 + 15b) + -7(2b + 2) = -4

Remove parenthesis around (-3 + 15b)
-3 + 15b + -7(2b + 2) = -4

Reorder the terms:
-3 + 15b + -7(2 + 2b) = -4
-3 + 15b + (2 * -7 + 2b * -7) = -4
-3 + 15b + (-14 + -14b) = -4

Reorder the terms:
-3 + -14 + 15b + -14b = -4

Combine like terms: -3 + -14 = -17
-17 + 15b + -14b = -4

Combine like terms: 15b + -14b = 1b
-17 + 1b = -4

Solving
-17 + 1b = -4

Solving for variable 'b'.

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

Add '17' to each side of the equation.
-17 + 17 + 1b = -4 + 17

Combine like terms: -17 + 17 = 0
0 + 1b = -4 + 17
1b = -4 + 17

Combine like terms: -4 + 17 = 13
1b = 13

Divide each side by '1'.
b = 13

Simplifying
b = 13

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