b+8+3b+4=40-4

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Solution for b+8+3b+4=40-4 equation: 


Simplifying
b + 8 + 3b + 4 = 40 + -4

Reorder the terms:
8 + 4 + b + 3b = 40 + -4

Combine like terms: 8 + 4 = 12
12 + b + 3b = 40 + -4

Combine like terms: b + 3b = 4b
12 + 4b = 40 + -4

Combine like terms: 40 + -4 = 36
12 + 4b = 36

Solving
12 + 4b = 36

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + 4b = 36 + -12

Combine like terms: 12 + -12 = 0
0 + 4b = 36 + -12
4b = 36 + -12

Combine like terms: 36 + -12 = 24
4b = 24

Divide each side by '4'.
b = 6

Simplifying
b = 6

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