30-4b=12b-2

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Solution for 30-4b=12b-2 equation:


Simplifying
30 + -4b = 12b + -2

Reorder the terms:
30 + -4b = -2 + 12b

Solving
30 + -4b = -2 + 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
30 + -4b + -12b = -2 + 12b + -12b

Combine like terms: -4b + -12b = -16b
30 + -16b = -2 + 12b + -12b

Combine like terms: 12b + -12b = 0
30 + -16b = -2 + 0
30 + -16b = -2

Add '-30' to each side of the equation.
30 + -30 + -16b = -2 + -30

Combine like terms: 30 + -30 = 0
0 + -16b = -2 + -30
-16b = -2 + -30

Combine like terms: -2 + -30 = -32
-16b = -32

Divide each side by '-16'.
b = 2

Simplifying
b = 2

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