3b+7=13-b

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Solution for 3b+7=13-b equation:


Simplifying
3b + 7 = 13 + -1b

Reorder the terms:
7 + 3b = 13 + -1b

Solving
7 + 3b = 13 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
7 + 3b + b = 13 + -1b + b

Combine like terms: 3b + b = 4b
7 + 4b = 13 + -1b + b

Combine like terms: -1b + b = 0
7 + 4b = 13 + 0
7 + 4b = 13

Add '-7' to each side of the equation.
7 + -7 + 4b = 13 + -7

Combine like terms: 7 + -7 = 0
0 + 4b = 13 + -7
4b = 13 + -7

Combine like terms: 13 + -7 = 6
4b = 6

Divide each side by '4'.
b = 1.5

Simplifying
b = 1.5

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