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

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


Simplifying
7(2b + 5) = 4b + -9 + -1b

Reorder the terms:
7(5 + 2b) = 4b + -9 + -1b
(5 * 7 + 2b * 7) = 4b + -9 + -1b
(35 + 14b) = 4b + -9 + -1b

Reorder the terms:
35 + 14b = -9 + 4b + -1b

Combine like terms: 4b + -1b = 3b
35 + 14b = -9 + 3b

Solving
35 + 14b = -9 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
35 + 14b + -3b = -9 + 3b + -3b

Combine like terms: 14b + -3b = 11b
35 + 11b = -9 + 3b + -3b

Combine like terms: 3b + -3b = 0
35 + 11b = -9 + 0
35 + 11b = -9

Add '-35' to each side of the equation.
35 + -35 + 11b = -9 + -35

Combine like terms: 35 + -35 = 0
0 + 11b = -9 + -35
11b = -9 + -35

Combine like terms: -9 + -35 = -44
11b = -44

Divide each side by '11'.
b = -4

Simplifying
b = -4

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