3x+y=9y-x+4

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Solution for 3x+y=9y-x+4 equation:


Simplifying
3x + y = 9y + -1x + 4

Reorder the terms:
3x + y = 4 + -1x + 9y

Solving
3x + y = 4 + -1x + 9y

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.
3x + x + y = 4 + -1x + x + 9y

Combine like terms: 3x + x = 4x
4x + y = 4 + -1x + x + 9y

Combine like terms: -1x + x = 0
4x + y = 4 + 0 + 9y
4x + y = 4 + 9y

Add '-1y' to each side of the equation.
4x + y + -1y = 4 + 9y + -1y

Combine like terms: y + -1y = 0
4x + 0 = 4 + 9y + -1y
4x = 4 + 9y + -1y

Combine like terms: 9y + -1y = 8y
4x = 4 + 8y

Divide each side by '4'.
x = 1 + 2y

Simplifying
x = 1 + 2y

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