12x+7=30x-4

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Solution for 12x+7=30x-4 equation:


Simplifying
12x + 7 = 30x + -4

Reorder the terms:
7 + 12x = 30x + -4

Reorder the terms:
7 + 12x = -4 + 30x

Solving
7 + 12x = -4 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
7 + 12x + -30x = -4 + 30x + -30x

Combine like terms: 12x + -30x = -18x
7 + -18x = -4 + 30x + -30x

Combine like terms: 30x + -30x = 0
7 + -18x = -4 + 0
7 + -18x = -4

Add '-7' to each side of the equation.
7 + -7 + -18x = -4 + -7

Combine like terms: 7 + -7 = 0
0 + -18x = -4 + -7
-18x = -4 + -7

Combine like terms: -4 + -7 = -11
-18x = -11

Divide each side by '-18'.
x = 0.6111111111

Simplifying
x = 0.6111111111

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