2(7b-4)-3=31+8b

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Solution for 2(7b-4)-3=31+8b equation:


Simplifying
2(7b + -4) + -3 = 31 + 8b

Reorder the terms:
2(-4 + 7b) + -3 = 31 + 8b
(-4 * 2 + 7b * 2) + -3 = 31 + 8b
(-8 + 14b) + -3 = 31 + 8b

Reorder the terms:
-8 + -3 + 14b = 31 + 8b

Combine like terms: -8 + -3 = -11
-11 + 14b = 31 + 8b

Solving
-11 + 14b = 31 + 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.
-11 + 14b + -8b = 31 + 8b + -8b

Combine like terms: 14b + -8b = 6b
-11 + 6b = 31 + 8b + -8b

Combine like terms: 8b + -8b = 0
-11 + 6b = 31 + 0
-11 + 6b = 31

Add '11' to each side of the equation.
-11 + 11 + 6b = 31 + 11

Combine like terms: -11 + 11 = 0
0 + 6b = 31 + 11
6b = 31 + 11

Combine like terms: 31 + 11 = 42
6b = 42

Divide each side by '6'.
b = 7

Simplifying
b = 7

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