(15b-7)-7(2b+1)=-5

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Solution for (15b-7)-7(2b+1)=-5 equation:


Simplifying
(15b + -7) + -7(2b + 1) = -5

Reorder the terms:
(-7 + 15b) + -7(2b + 1) = -5

Remove parenthesis around (-7 + 15b)
-7 + 15b + -7(2b + 1) = -5

Reorder the terms:
-7 + 15b + -7(1 + 2b) = -5
-7 + 15b + (1 * -7 + 2b * -7) = -5
-7 + 15b + (-7 + -14b) = -5

Reorder the terms:
-7 + -7 + 15b + -14b = -5

Combine like terms: -7 + -7 = -14
-14 + 15b + -14b = -5

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

Solving
-14 + 1b = -5

Solving for variable 'b'.

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

Add '14' to each side of the equation.
-14 + 14 + 1b = -5 + 14

Combine like terms: -14 + 14 = 0
0 + 1b = -5 + 14
1b = -5 + 14

Combine like terms: -5 + 14 = 9
1b = 9

Divide each side by '1'.
b = 9

Simplifying
b = 9

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