12b+3=2b-4

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Solution for 12b+3=2b-4 equation:


Simplifying
12b + 3 = 2b + -4

Reorder the terms:
3 + 12b = 2b + -4

Reorder the terms:
3 + 12b = -4 + 2b

Solving
3 + 12b = -4 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
3 + 12b + -2b = -4 + 2b + -2b

Combine like terms: 12b + -2b = 10b
3 + 10b = -4 + 2b + -2b

Combine like terms: 2b + -2b = 0
3 + 10b = -4 + 0
3 + 10b = -4

Add '-3' to each side of the equation.
3 + -3 + 10b = -4 + -3

Combine like terms: 3 + -3 = 0
0 + 10b = -4 + -3
10b = -4 + -3

Combine like terms: -4 + -3 = -7
10b = -7

Divide each side by '10'.
b = -0.7

Simplifying
b = -0.7

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