(3x-5)-(x-3)=12

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Solution for (3x-5)-(x-3)=12 equation:


Simplifying
(3x + -5) + -1(x + -3) = 12

Reorder the terms:
(-5 + 3x) + -1(x + -3) = 12

Remove parenthesis around (-5 + 3x)
-5 + 3x + -1(x + -3) = 12

Reorder the terms:
-5 + 3x + -1(-3 + x) = 12
-5 + 3x + (-3 * -1 + x * -1) = 12
-5 + 3x + (3 + -1x) = 12

Reorder the terms:
-5 + 3 + 3x + -1x = 12

Combine like terms: -5 + 3 = -2
-2 + 3x + -1x = 12

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

Solving
-2 + 2x = 12

Solving for variable 'x'.

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

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

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

Combine like terms: 12 + 2 = 14
2x = 14

Divide each side by '2'.
x = 7

Simplifying
x = 7

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