6(2b+5)=15+7b

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Solution for 6(2b+5)=15+7b equation:


Simplifying
6(2b + 5) = 15 + 7b

Reorder the terms:
6(5 + 2b) = 15 + 7b
(5 * 6 + 2b * 6) = 15 + 7b
(30 + 12b) = 15 + 7b

Solving
30 + 12b = 15 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
30 + 12b + -7b = 15 + 7b + -7b

Combine like terms: 12b + -7b = 5b
30 + 5b = 15 + 7b + -7b

Combine like terms: 7b + -7b = 0
30 + 5b = 15 + 0
30 + 5b = 15

Add '-30' to each side of the equation.
30 + -30 + 5b = 15 + -30

Combine like terms: 30 + -30 = 0
0 + 5b = 15 + -30
5b = 15 + -30

Combine like terms: 15 + -30 = -15
5b = -15

Divide each side by '5'.
b = -3

Simplifying
b = -3

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