3x-12+x-(3-x)=2*15*12

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Solution for 3x-12+x-(3-x)=2*15*12 equation: 


Simplifying
3x + -12 + x + -1(3 + -1x) = 2 * 15 * 12
3x + -12 + x + (3 * -1 + -1x * -1) = 2 * 15 * 12
3x + -12 + x + (-3 + 1x) = 2 * 15 * 12

Reorder the terms:
-12 + -3 + 3x + x + 1x = 2 * 15 * 12

Combine like terms: -12 + -3 = -15
-15 + 3x + x + 1x = 2 * 15 * 12

Combine like terms: 3x + x = 4x
-15 + 4x + 1x = 2 * 15 * 12

Combine like terms: 4x + 1x = 5x
-15 + 5x = 2 * 15 * 12

Multiply 2 * 15
-15 + 5x = 30 * 12

Multiply 30 * 12
-15 + 5x = 360

Solving
-15 + 5x = 360

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 5x = 360 + 15

Combine like terms: -15 + 15 = 0
0 + 5x = 360 + 15
5x = 360 + 15

Combine like terms: 360 + 15 = 375
5x = 375

Divide each side by '5'.
x = 75

Simplifying
x = 75

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