(11b-9)-5(2b+4)=-7

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Solution for (11b-9)-5(2b+4)=-7 equation:


Simplifying
(11b + -9) + -5(2b + 4) = -7

Reorder the terms:
(-9 + 11b) + -5(2b + 4) = -7

Remove parenthesis around (-9 + 11b)
-9 + 11b + -5(2b + 4) = -7

Reorder the terms:
-9 + 11b + -5(4 + 2b) = -7
-9 + 11b + (4 * -5 + 2b * -5) = -7
-9 + 11b + (-20 + -10b) = -7

Reorder the terms:
-9 + -20 + 11b + -10b = -7

Combine like terms: -9 + -20 = -29
-29 + 11b + -10b = -7

Combine like terms: 11b + -10b = 1b
-29 + 1b = -7

Solving
-29 + 1b = -7

Solving for variable 'b'.

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

Add '29' to each side of the equation.
-29 + 29 + 1b = -7 + 29

Combine like terms: -29 + 29 = 0
0 + 1b = -7 + 29
1b = -7 + 29

Combine like terms: -7 + 29 = 22
1b = 22

Divide each side by '1'.
b = 22

Simplifying
b = 22

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