7=12+b

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Solution for 7=12+b equation:


Simplifying
7 = 12 + b

Solving
7 = 12 + 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.
7 + -1b = 12 + b + -1b

Combine like terms: b + -1b = 0
7 + -1b = 12 + 0
7 + -1b = 12

Add '-7' to each side of the equation.
7 + -7 + -1b = 12 + -7

Combine like terms: 7 + -7 = 0
0 + -1b = 12 + -7
-1b = 12 + -7

Combine like terms: 12 + -7 = 5
-1b = 5

Divide each side by '-1'.
b = -5

Simplifying
b = -5

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