7x+9y-3(7x-6y+8z)=

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Solution for 7x+9y-3(7x-6y+8z)= equation:


Simplifying
7x + 9y + -3(7x + -6y + 8z) = 0
7x + 9y + (7x * -3 + -6y * -3 + 8z * -3) = 0
7x + 9y + (-21x + 18y + -24z) = 0

Reorder the terms:
7x + -21x + 9y + 18y + -24z = 0

Combine like terms: 7x + -21x = -14x
-14x + 9y + 18y + -24z = 0

Combine like terms: 9y + 18y = 27y
-14x + 27y + -24z = 0

Solving
-14x + 27y + -24z = 0

Solving for variable 'x'.

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

Add '-27y' to each side of the equation.
-14x + 27y + -27y + -24z = 0 + -27y

Combine like terms: 27y + -27y = 0
-14x + 0 + -24z = 0 + -27y
-14x + -24z = 0 + -27y
Remove the zero:
-14x + -24z = -27y

Add '24z' to each side of the equation.
-14x + -24z + 24z = -27y + 24z

Combine like terms: -24z + 24z = 0
-14x + 0 = -27y + 24z
-14x = -27y + 24z

Divide each side by '-14'.
x = 1.928571429y + -1.714285714z

Simplifying
x = 1.928571429y + -1.714285714z

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