3b-2=7b+12

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Solution for 3b-2=7b+12 equation:


Simplifying
3b + -2 = 7b + 12

Reorder the terms:
-2 + 3b = 7b + 12

Reorder the terms:
-2 + 3b = 12 + 7b

Solving
-2 + 3b = 12 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-2 + 3b + -7b = 12 + 7b + -7b

Combine like terms: 3b + -7b = -4b
-2 + -4b = 12 + 7b + -7b

Combine like terms: 7b + -7b = 0
-2 + -4b = 12 + 0
-2 + -4b = 12

Add '2' to each side of the equation.
-2 + 2 + -4b = 12 + 2

Combine like terms: -2 + 2 = 0
0 + -4b = 12 + 2
-4b = 12 + 2

Combine like terms: 12 + 2 = 14
-4b = 14

Divide each side by '-4'.
b = -3.5

Simplifying
b = -3.5

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