12=3-5b+4

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Solution for 12=3-5b+4 equation:


Simplifying
12 = 3 + -5b + 4

Reorder the terms:
12 = 3 + 4 + -5b

Combine like terms: 3 + 4 = 7
12 = 7 + -5b

Solving
12 = 7 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
12 + 5b = 7 + -5b + 5b

Combine like terms: -5b + 5b = 0
12 + 5b = 7 + 0
12 + 5b = 7

Add '-12' to each side of the equation.
12 + -12 + 5b = 7 + -12

Combine like terms: 12 + -12 = 0
0 + 5b = 7 + -12
5b = 7 + -12

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

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

Simplifying
b = -1

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