3x-(x-12)=25

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Solution for 3x-(x-12)=25 equation:


Simplifying
3x + -1(x + -12) = 25

Reorder the terms:
3x + -1(-12 + x) = 25
3x + (-12 * -1 + x * -1) = 25
3x + (12 + -1x) = 25

Reorder the terms:
12 + 3x + -1x = 25

Combine like terms: 3x + -1x = 2x
12 + 2x = 25

Solving
12 + 2x = 25

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 2x = 25 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 25 + -12
2x = 25 + -12

Combine like terms: 25 + -12 = 13
2x = 13

Divide each side by '2'.
x = 6.5

Simplifying
x = 6.5

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