12x+4y+17x-y=90

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Solution for 12x+4y+17x-y=90 equation:


Simplifying
12x + 4y + 17x + -1y = 90

Reorder the terms:
12x + 17x + 4y + -1y = 90

Combine like terms: 12x + 17x = 29x
29x + 4y + -1y = 90

Combine like terms: 4y + -1y = 3y
29x + 3y = 90

Solving
29x + 3y = 90

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
29x + 3y + -3y = 90 + -3y

Combine like terms: 3y + -3y = 0
29x + 0 = 90 + -3y
29x = 90 + -3y

Divide each side by '29'.
x = 3.103448276 + -0.1034482759y

Simplifying
x = 3.103448276 + -0.1034482759y

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