7+8b=9b

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Solution for 7+8b=9b equation:


Simplifying
7 + 8b = 9b

Solving
7 + 8b = 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.
7 + 8b + -9b = 9b + -9b

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

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

Add '-7' to each side of the equation.
7 + -7 + -1b = 0 + -7

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

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

Divide each side by '-1'.
b = 7

Simplifying
b = 7

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