13+7b=3b+3

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


Simplifying
13 + 7b = 3b + 3

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

Solving
13 + 7b = 3 + 3b

Solving for variable 'b'.

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

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

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

Combine like terms: 3b + -3b = 0
13 + 4b = 3 + 0
13 + 4b = 3

Add '-13' to each side of the equation.
13 + -13 + 4b = 3 + -13

Combine like terms: 13 + -13 = 0
0 + 4b = 3 + -13
4b = 3 + -13

Combine like terms: 3 + -13 = -10
4b = -10

Divide each side by '4'.
b = -2.5

Simplifying
b = -2.5

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