2x+1x+3y+1y=12+5

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Solution for 2x+1x+3y+1y=12+5 equation: 


Simplifying
2x + 1x + 3y + 1y = 12 + 5

Combine like terms: 2x + 1x = 3x
3x + 3y + 1y = 12 + 5

Combine like terms: 3y + 1y = 4y
3x + 4y = 12 + 5

Combine like terms: 12 + 5 = 17
3x + 4y = 17

Solving
3x + 4y = 17

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
3x + 4y + -4y = 17 + -4y

Combine like terms: 4y + -4y = 0
3x + 0 = 17 + -4y
3x = 17 + -4y

Divide each side by '3'.
x = 5.666666667 + -1.333333333y

Simplifying
x = 5.666666667 + -1.333333333y

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