5(2+3b)=15-(b-7)

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Solution for 5(2+3b)=15-(b-7) equation:


Simplifying
5(2 + 3b) = 15 + -1(b + -7)
(2 * 5 + 3b * 5) = 15 + -1(b + -7)
(10 + 15b) = 15 + -1(b + -7)

Reorder the terms:
10 + 15b = 15 + -1(-7 + b)
10 + 15b = 15 + (-7 * -1 + b * -1)
10 + 15b = 15 + (7 + -1b)

Combine like terms: 15 + 7 = 22
10 + 15b = 22 + -1b

Solving
10 + 15b = 22 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
10 + 15b + b = 22 + -1b + b

Combine like terms: 15b + b = 16b
10 + 16b = 22 + -1b + b

Combine like terms: -1b + b = 0
10 + 16b = 22 + 0
10 + 16b = 22

Add '-10' to each side of the equation.
10 + -10 + 16b = 22 + -10

Combine like terms: 10 + -10 = 0
0 + 16b = 22 + -10
16b = 22 + -10

Combine like terms: 22 + -10 = 12
16b = 12

Divide each side by '16'.
b = 0.75

Simplifying
b = 0.75

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