12=3+4b+5

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


Simplifying
12 = 3 + 4b + 5

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

Combine like terms: 3 + 5 = 8
12 = 8 + 4b

Solving
12 = 8 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
12 + -4b = 8 + 4b + -4b

Combine like terms: 4b + -4b = 0
12 + -4b = 8 + 0
12 + -4b = 8

Add '-12' to each side of the equation.
12 + -12 + -4b = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -4b = 8 + -12
-4b = 8 + -12

Combine like terms: 8 + -12 = -4
-4b = -4

Divide each side by '-4'.
b = 1

Simplifying
b = 1

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