17x-15y-18x+21y-9=

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Solution for 17x-15y-18x+21y-9= equation:


Simplifying
17x + -15y + -18x + 21y + -9 = 0

Reorder the terms:
-9 + 17x + -18x + -15y + 21y = 0

Combine like terms: 17x + -18x = -1x
-9 + -1x + -15y + 21y = 0

Combine like terms: -15y + 21y = 6y
-9 + -1x + 6y = 0

Solving
-9 + -1x + 6y = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + -1x + 9 + 6y = 0 + 9

Reorder the terms:
-9 + 9 + -1x + 6y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -1x + 6y = 0 + 9
-1x + 6y = 0 + 9

Combine like terms: 0 + 9 = 9
-1x + 6y = 9

Add '-6y' to each side of the equation.
-1x + 6y + -6y = 9 + -6y

Combine like terms: 6y + -6y = 0
-1x + 0 = 9 + -6y
-1x = 9 + -6y

Divide each side by '-1'.
x = -9 + 6y

Simplifying
x = -9 + 6y

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