-3+7b=123

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Solution for -3+7b=123 equation:


Simplifying
-3 + 7b = 123

Solving
-3 + 7b = 123

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + 7b = 123 + 3

Combine like terms: -3 + 3 = 0
0 + 7b = 123 + 3
7b = 123 + 3

Combine like terms: 123 + 3 = 126
7b = 126

Divide each side by '7'.
b = 18

Simplifying
b = 18

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