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

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


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

Reorder the terms:
3 + 2x + (-1x) = 2(-1x) + 15

Combine like terms: 2x + (-1x) = 1x
3 + 1x = 2(-1x) + 15

Remove parenthesis around (-1x)
3 + 1x = 2 * -1x + 15

Multiply 2 * -1
3 + 1x = -2x + 15

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

Solving
3 + 1x = 15 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
3 + 1x + 2x = 15 + -2x + 2x

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

Combine like terms: -2x + 2x = 0
3 + 3x = 15 + 0
3 + 3x = 15

Add '-3' to each side of the equation.
3 + -3 + 3x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 15 + -3
3x = 15 + -3

Combine like terms: 15 + -3 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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