(11b-8)-5(2b+1)=-7

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Solution for (11b-8)-5(2b+1)=-7 equation:


Simplifying
(11b + -8) + -5(2b + 1) = -7

Reorder the terms:
(-8 + 11b) + -5(2b + 1) = -7

Remove parenthesis around (-8 + 11b)
-8 + 11b + -5(2b + 1) = -7

Reorder the terms:
-8 + 11b + -5(1 + 2b) = -7
-8 + 11b + (1 * -5 + 2b * -5) = -7
-8 + 11b + (-5 + -10b) = -7

Reorder the terms:
-8 + -5 + 11b + -10b = -7

Combine like terms: -8 + -5 = -13
-13 + 11b + -10b = -7

Combine like terms: 11b + -10b = 1b
-13 + 1b = -7

Solving
-13 + 1b = -7

Solving for variable 'b'.

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

Add '13' to each side of the equation.
-13 + 13 + 1b = -7 + 13

Combine like terms: -13 + 13 = 0
0 + 1b = -7 + 13
1b = -7 + 13

Combine like terms: -7 + 13 = 6
1b = 6

Divide each side by '1'.
b = 6

Simplifying
b = 6

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