4.5=b+12

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Solution for 4.5=b+12 equation: 


Simplifying
4.5 = b + 12

Reorder the terms:
4.5 = 12 + b

Solving
4.5 = 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.
4.5 + -1b = 12 + b + -1b

Combine like terms: b + -1b = 0
4.5 + -1b = 12 + 0
4.5 + -1b = 12

Add '-4.5' to each side of the equation.
4.5 + -4.5 + -1b = 12 + -4.5

Combine like terms: 4.5 + -4.5 = 0.0
0.0 + -1b = 12 + -4.5
-1b = 12 + -4.5

Combine like terms: 12 + -4.5 = 7.5
-1b = 7.5

Divide each side by '-1'.
b = -7.5

Simplifying
b = -7.5

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