8b+3=7b-9

Solution for 8b+3=7b-9 equation:

Simplifying
8b + 3 = 7b + -9

Reorder the terms:
3 + 8b = 7b + -9

Reorder the terms:
3 + 8b = -9 + 7b

Solving
3 + 8b = -9 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
3 + 8b + -7b = -9 + 7b + -7b

Combine like terms: 8b + -7b = 1b
3 + 1b = -9 + 7b + -7b

Combine like terms: 7b + -7b = 0
3 + 1b = -9 + 0
3 + 1b = -9

Add '-3' to each side of the equation.
3 + -3 + 1b = -9 + -3

Combine like terms: 3 + -3 = 0
0 + 1b = -9 + -3
1b = -9 + -3

Combine like terms: -9 + -3 = -12
1b = -12

Divide each side by '1'.
b = -12

Simplifying
b = -12