6x+y-4=x-9y

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Solution for 6x+y-4=x-9y equation:


Simplifying
6x + y + -4 = x + -9y

Reorder the terms:
-4 + 6x + y = x + -9y

Solving
-4 + 6x + y = x + -9y

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.
-4 + 6x + -1x + y = x + -1x + -9y

Combine like terms: 6x + -1x = 5x
-4 + 5x + y = x + -1x + -9y

Combine like terms: x + -1x = 0
-4 + 5x + y = 0 + -9y
-4 + 5x + y = -9y

Add '4' to each side of the equation.
-4 + 5x + 4 + y = 4 + -9y

Reorder the terms:
-4 + 4 + 5x + y = 4 + -9y

Combine like terms: -4 + 4 = 0
0 + 5x + y = 4 + -9y
5x + y = 4 + -9y

Add '-1y' to each side of the equation.
5x + y + -1y = 4 + -9y + -1y

Combine like terms: y + -1y = 0
5x + 0 = 4 + -9y + -1y
5x = 4 + -9y + -1y

Combine like terms: -9y + -1y = -10y
5x = 4 + -10y

Divide each side by '5'.
x = 0.8 + -2y

Simplifying
x = 0.8 + -2y

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