# Solve by Substitution -18x-27y+6z=17 , 6x+9y-2z=-5 ,
Solve the equation for .
Move all terms not containing to the right side of the equation.
Add to both sides of the equation.
Subtract from both sides of the equation.
Divide each term by and simplify.
Divide each term in by .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Simplify each term.
Move the negative in front of the fraction.
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Move the negative in front of the fraction.
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Solve the equation for .
Simplify .
Simplify each term.
Apply the distributive property.
Simplify.
Cancel the common factor of .
Move the leading negative in into the numerator.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Cancel the common factor of .
Move the leading negative in into the numerator.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Multiply by .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Move the negative in front of the fraction.
Combine the opposite terms in .
Subtract from .
Subtract from .
Subtract from .
Since , there are no solutions.
No solution
No solution
Move .
No solution
Solve by Substitution -18x-27y+6z=17 , 6x+9y-2z=-5

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