450=15-3+b

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Solution for 450=15-3+b equation:


Simplifying
450 = 15 + -3 + b

Combine like terms: 15 + -3 = 12
450 = 12 + b

Solving
450 = 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.
450 + -1b = 12 + b + -1b

Combine like terms: b + -1b = 0
450 + -1b = 12 + 0
450 + -1b = 12

Add '-450' to each side of the equation.
450 + -450 + -1b = 12 + -450

Combine like terms: 450 + -450 = 0
0 + -1b = 12 + -450
-1b = 12 + -450

Combine like terms: 12 + -450 = -438
-1b = -438

Divide each side by '-1'.
b = 438

Simplifying
b = 438

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