2x+15=3-x

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


Simplifying
2x + 15 = 3 + -1x

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

Solving
15 + 2x = 3 + -1x

Solving for variable 'x'.

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

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

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

Combine like terms: -1x + x = 0
15 + 3x = 3 + 0
15 + 3x = 3

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

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

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

Divide each side by '3'.
x = -4

Simplifying
x = -4

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