23=b-7

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Solution for 23=b-7 equation:


Simplifying
23 = b + -7

Reorder the terms:
23 = -7 + b

Solving
23 = -7 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
23 + -1b = -7 + b + -1b

Combine like terms: b + -1b = 0
23 + -1b = -7 + 0
23 + -1b = -7

Add '-23' to each side of the equation.
23 + -23 + -1b = -7 + -23

Combine like terms: 23 + -23 = 0
0 + -1b = -7 + -23
-1b = -7 + -23

Combine like terms: -7 + -23 = -30
-1b = -30

Divide each side by '-1'.
b = 30

Simplifying
b = 30

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