3+3(7b+4)=4(2b-6)

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Solution for 3+3(7b+4)=4(2b-6) equation:


Simplifying
3 + 3(7b + 4) = 4(2b + -6)

Reorder the terms:
3 + 3(4 + 7b) = 4(2b + -6)
3 + (4 * 3 + 7b * 3) = 4(2b + -6)
3 + (12 + 21b) = 4(2b + -6)

Combine like terms: 3 + 12 = 15
15 + 21b = 4(2b + -6)

Reorder the terms:
15 + 21b = 4(-6 + 2b)
15 + 21b = (-6 * 4 + 2b * 4)
15 + 21b = (-24 + 8b)

Solving
15 + 21b = -24 + 8b

Solving for variable 'b'.

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

Add '-8b' to each side of the equation.
15 + 21b + -8b = -24 + 8b + -8b

Combine like terms: 21b + -8b = 13b
15 + 13b = -24 + 8b + -8b

Combine like terms: 8b + -8b = 0
15 + 13b = -24 + 0
15 + 13b = -24

Add '-15' to each side of the equation.
15 + -15 + 13b = -24 + -15

Combine like terms: 15 + -15 = 0
0 + 13b = -24 + -15
13b = -24 + -15

Combine like terms: -24 + -15 = -39
13b = -39

Divide each side by '13'.
b = -3

Simplifying
b = -3

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