4b+7=5b+12

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Solution for 4b+7=5b+12 equation:


Simplifying
4b + 7 = 5b + 12

Reorder the terms:
7 + 4b = 5b + 12

Reorder the terms:
7 + 4b = 12 + 5b

Solving
7 + 4b = 12 + 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.
7 + 4b + -5b = 12 + 5b + -5b

Combine like terms: 4b + -5b = -1b
7 + -1b = 12 + 5b + -5b

Combine like terms: 5b + -5b = 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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