7b-2=9b

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Solution for 7b-2=9b equation:


Simplifying
7b + -2 = 9b

Reorder the terms:
-2 + 7b = 9b

Solving
-2 + 7b = 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-2 + 7b + -9b = 9b + -9b

Combine like terms: 7b + -9b = -2b
-2 + -2b = 9b + -9b

Combine like terms: 9b + -9b = 0
-2 + -2b = 0

Add '2' to each side of the equation.
-2 + 2 + -2b = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -2b = 0 + 2
-2b = 0 + 2

Combine like terms: 0 + 2 = 2
-2b = 2

Divide each side by '-2'.
b = -1

Simplifying
b = -1

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