7x+9y-9(7x-6y+3z)=

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Solution for 7x+9y-9(7x-6y+3z)= equation:


Simplifying
7x + 9y + -9(7x + -6y + 3z) = 0
7x + 9y + (7x * -9 + -6y * -9 + 3z * -9) = 0
7x + 9y + (-63x + 54y + -27z) = 0

Reorder the terms:
7x + -63x + 9y + 54y + -27z = 0

Combine like terms: 7x + -63x = -56x
-56x + 9y + 54y + -27z = 0

Combine like terms: 9y + 54y = 63y
-56x + 63y + -27z = 0

Solving
-56x + 63y + -27z = 0

Solving for variable 'x'.

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

Add '-63y' to each side of the equation.
-56x + 63y + -63y + -27z = 0 + -63y

Combine like terms: 63y + -63y = 0
-56x + 0 + -27z = 0 + -63y
-56x + -27z = 0 + -63y
Remove the zero:
-56x + -27z = -63y

Add '27z' to each side of the equation.
-56x + -27z + 27z = -63y + 27z

Combine like terms: -27z + 27z = 0
-56x + 0 = -63y + 27z
-56x = -63y + 27z

Divide each side by '-56'.
x = 1.125y + -0.4821428571z

Simplifying
x = 1.125y + -0.4821428571z

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