2x+7y-9x+21z+5x=0

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Solution for 2x+7y-9x+21z+5x=0 equation: 


Simplifying
2x + 7y + -9x + 21z + 5x = 0

Reorder the terms:
2x + -9x + 5x + 7y + 21z = 0

Combine like terms: 2x + -9x = -7x
-7x + 5x + 7y + 21z = 0

Combine like terms: -7x + 5x = -2x
-2x + 7y + 21z = 0

Solving
-2x + 7y + 21z = 0

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
-2x + 7y + -7y + 21z = 0 + -7y

Combine like terms: 7y + -7y = 0
-2x + 0 + 21z = 0 + -7y
-2x + 21z = 0 + -7y
Remove the zero:
-2x + 21z = -7y

Add '-21z' to each side of the equation.
-2x + 21z + -21z = -7y + -21z

Combine like terms: 21z + -21z = 0
-2x + 0 = -7y + -21z
-2x = -7y + -21z

Divide each side by '-2'.
x = 3.5y + 10.5z

Simplifying
x = 3.5y + 10.5z

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