3b+4=b+8

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


Simplifying
3b + 4 = b + 8

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

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

Solving
4 + 3b = 8 + 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.
4 + 3b + -1b = 8 + b + -1b

Combine like terms: 3b + -1b = 2b
4 + 2b = 8 + b + -1b

Combine like terms: b + -1b = 0
4 + 2b = 8 + 0
4 + 2b = 8

Add '-4' to each side of the equation.
4 + -4 + 2b = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2b = 8 + -4
2b = 8 + -4

Combine like terms: 8 + -4 = 4
2b = 4

Divide each side by '2'.
b = 2

Simplifying
b = 2

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