12x-(7x-4)=19

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Solution for 12x-(7x-4)=19 equation:


Simplifying
12x + -1(7x + -4) = 19

Reorder the terms:
12x + -1(-4 + 7x) = 19
12x + (-4 * -1 + 7x * -1) = 19
12x + (4 + -7x) = 19

Reorder the terms:
4 + 12x + -7x = 19

Combine like terms: 12x + -7x = 5x
4 + 5x = 19

Solving
4 + 5x = 19

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 + 5x = 19 + -4

Combine like terms: 4 + -4 = 0
0 + 5x = 19 + -4
5x = 19 + -4

Combine like terms: 19 + -4 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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