3b-8=7b

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Solution for 3b-8=7b equation:


Simplifying
3b + -8 = 7b

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

Solving
-8 + 3b = 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.
-8 + 3b + -7b = 7b + -7b

Combine like terms: 3b + -7b = -4b
-8 + -4b = 7b + -7b

Combine like terms: 7b + -7b = 0
-8 + -4b = 0

Add '8' to each side of the equation.
-8 + 8 + -4b = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -4b = 0 + 8
-4b = 0 + 8

Combine like terms: 0 + 8 = 8
-4b = 8

Divide each side by '-4'.
b = -2

Simplifying
b = -2

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