9=23-7b

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Solution for 9=23-7b equation:


Simplifying
9 = 23 + -7b

Solving
9 = 23 + -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.
9 + 7b = 23 + -7b + 7b

Combine like terms: -7b + 7b = 0
9 + 7b = 23 + 0
9 + 7b = 23

Add '-9' to each side of the equation.
9 + -9 + 7b = 23 + -9

Combine like terms: 9 + -9 = 0
0 + 7b = 23 + -9
7b = 23 + -9

Combine like terms: 23 + -9 = 14
7b = 14

Divide each side by '7'.
b = 2

Simplifying
b = 2

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