1-3b-b=13

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Solution for 1-3b-b=13 equation:


Simplifying
1 + -3b + -1b = 13

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

Solving
1 + -4b = 13

Solving for variable 'b'.

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

Add '-1' to each side of the equation.
1 + -1 + -4b = 13 + -1

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

Combine like terms: 13 + -1 = 12
-4b = 12

Divide each side by '-4'.
b = -3

Simplifying
b = -3

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