12x-30=(4x)

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Solution for 12x-30=(4x) equation:


Simplifying
12x + -30 = (4x)

Reorder the terms:
-30 + 12x = (4x)

Solving
-30 + 12x = (4x)

Solving for variable 'x'.

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

Add '(-4x)' to each side of the equation.
-30 + 12x + (-4x) = (4x) + (-4x)

Combine like terms: 12x + (-4x) = 8x
-30 + 8x = (4x) + (-4x)

Combine like terms: (4x) + (-4x) = 0
-30 + 8x = 0

Add '30' to each side of the equation.
-30 + 30 + 8x = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 8x = 0 + 30
8x = 0 + 30

Combine like terms: 0 + 30 = 30
8x = 30

Divide each side by '8'.
x = 3.75

Simplifying
x = 3.75

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