7b-12=3b+3

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Solution for 7b-12=3b+3 equation:


Simplifying
7b + -12 = 3b + 3

Reorder the terms:
-12 + 7b = 3b + 3

Reorder the terms:
-12 + 7b = 3 + 3b

Solving
-12 + 7b = 3 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
-12 + 7b + -3b = 3 + 3b + -3b

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

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

Add '12' to each side of the equation.
-12 + 12 + 4b = 3 + 12

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

Combine like terms: 3 + 12 = 15
4b = 15

Divide each side by '4'.
b = 3.75

Simplifying
b = 3.75

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