X+7-(3x+12)=13

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Solution for X+7-(3x+12)=13 equation:


Simplifying
X + 7 + -1(3x + 12) = 13

Reorder the terms:
X + 7 + -1(12 + 3x) = 13
X + 7 + (12 * -1 + 3x * -1) = 13
X + 7 + (-12 + -3x) = 13

Reorder the terms:
7 + -12 + X + -3x = 13

Combine like terms: 7 + -12 = -5
-5 + X + -3x = 13

Solving
-5 + X + -3x = 13

Solving for variable 'X'.

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

Add '5' to each side of the equation.
-5 + X + 5 + -3x = 13 + 5

Reorder the terms:
-5 + 5 + X + -3x = 13 + 5

Combine like terms: -5 + 5 = 0
0 + X + -3x = 13 + 5
X + -3x = 13 + 5

Combine like terms: 13 + 5 = 18
X + -3x = 18

Add '3x' to each side of the equation.
X + -3x + 3x = 18 + 3x

Combine like terms: -3x + 3x = 0
X + 0 = 18 + 3x
X = 18 + 3x

Simplifying
X = 18 + 3x

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