x+2x+y+y-6=78

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Solution for x+2x+y+y-6=78 equation:


Simplifying
x + 2x + y + y + -6 = 78

Reorder the terms:
-6 + x + 2x + y + y = 78

Combine like terms: x + 2x = 3x
-6 + 3x + y + y = 78

Combine like terms: y + y = 2y
-6 + 3x + 2y = 78

Solving
-6 + 3x + 2y = 78

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 3x + 6 + 2y = 78 + 6

Reorder the terms:
-6 + 6 + 3x + 2y = 78 + 6

Combine like terms: -6 + 6 = 0
0 + 3x + 2y = 78 + 6
3x + 2y = 78 + 6

Combine like terms: 78 + 6 = 84
3x + 2y = 84

Add '-2y' to each side of the equation.
3x + 2y + -2y = 84 + -2y

Combine like terms: 2y + -2y = 0
3x + 0 = 84 + -2y
3x = 84 + -2y

Divide each side by '3'.
x = 28 + -0.6666666667y

Simplifying
x = 28 + -0.6666666667y

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