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

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


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

Reorder the terms:
6 + -3(-7 + 3b) = 7 + b
6 + (-7 * -3 + 3b * -3) = 7 + b
6 + (21 + -9b) = 7 + b

Combine like terms: 6 + 21 = 27
27 + -9b = 7 + b

Solving
27 + -9b = 7 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
27 + -9b + -1b = 7 + b + -1b

Combine like terms: -9b + -1b = -10b
27 + -10b = 7 + b + -1b

Combine like terms: b + -1b = 0
27 + -10b = 7 + 0
27 + -10b = 7

Add '-27' to each side of the equation.
27 + -27 + -10b = 7 + -27

Combine like terms: 27 + -27 = 0
0 + -10b = 7 + -27
-10b = 7 + -27

Combine like terms: 7 + -27 = -20
-10b = -20

Divide each side by '-10'.
b = 2

Simplifying
b = 2

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