y=-2z-5

Rewrite the equation as -2z-5=y.

-2z-5=y

Add 5 to both sides of the equation.

-2z=y+5

Divide each term in -2z=y+5 by -2.

-2z-2=y-2+5-2

Cancel the common factor of -2.

Cancel the common factor.

-2z-2=y-2+5-2

Divide z by 1.

z=y-2+5-2

z=y-2+5-2

Simplify each term.

Move the negative in front of the fraction.

z=-y2+5-2

Move the negative in front of the fraction.

z=-y2-52

z=-y2-52

z=-y2-52

Solve for z y=-2z-5