7b-12=4b+30

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Solution for 7b-12=4b+30 equation:


Simplifying
7b + -12 = 4b + 30

Reorder the terms:
-12 + 7b = 4b + 30

Reorder the terms:
-12 + 7b = 30 + 4b

Solving
-12 + 7b = 30 + 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 + 7b + -4b = 30 + 4b + -4b

Combine like terms: 7b + -4b = 3b
-12 + 3b = 30 + 4b + -4b

Combine like terms: 4b + -4b = 0
-12 + 3b = 30 + 0
-12 + 3b = 30

Add '12' to each side of the equation.
-12 + 12 + 3b = 30 + 12

Combine like terms: -12 + 12 = 0
0 + 3b = 30 + 12
3b = 30 + 12

Combine like terms: 30 + 12 = 42
3b = 42

Divide each side by '3'.
b = 14

Simplifying
b = 14

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