7b+1=12b+13

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Solution for 7b+1=12b+13 equation:


Simplifying
7b + 1 = 12b + 13

Reorder the terms:
1 + 7b = 12b + 13

Reorder the terms:
1 + 7b = 13 + 12b

Solving
1 + 7b = 13 + 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
1 + 7b + -12b = 13 + 12b + -12b

Combine like terms: 7b + -12b = -5b
1 + -5b = 13 + 12b + -12b

Combine like terms: 12b + -12b = 0
1 + -5b = 13 + 0
1 + -5b = 13

Add '-1' to each side of the equation.
1 + -1 + -5b = 13 + -1

Combine like terms: 1 + -1 = 0
0 + -5b = 13 + -1
-5b = 13 + -1

Combine like terms: 13 + -1 = 12
-5b = 12

Divide each side by '-5'.
b = -2.4

Simplifying
b = -2.4

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