3x+2y=x-y-15

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


Simplifying
3x + 2y = x + -1y + -15

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

Solving
3x + 2y = -15 + x + -1y

Solving for variable 'x'.

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

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

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

Combine like terms: x + -1x = 0
2x + 2y = -15 + 0 + -1y
2x + 2y = -15 + -1y

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

Combine like terms: 2y + -2y = 0
2x + 0 = -15 + -1y + -2y
2x = -15 + -1y + -2y

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

Divide each side by '2'.
x = -7.5 + -1.5y

Simplifying
x = -7.5 + -1.5y

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