12x-(5x-4)=130

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Solution for 12x-(5x-4)=130 equation:


Simplifying
12x + -1(5x + -4) = 130

Reorder the terms:
12x + -1(-4 + 5x) = 130
12x + (-4 * -1 + 5x * -1) = 130
12x + (4 + -5x) = 130

Reorder the terms:
4 + 12x + -5x = 130

Combine like terms: 12x + -5x = 7x
4 + 7x = 130

Solving
4 + 7x = 130

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 7x = 130 + -4

Combine like terms: 4 + -4 = 0
0 + 7x = 130 + -4
7x = 130 + -4

Combine like terms: 130 + -4 = 126
7x = 126

Divide each side by '7'.
x = 18

Simplifying
x = 18

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