Question

-12.2z - 13.4z=-179.2. idk how to do this ​

Answer 1

Let's solve your equation step-by-step.

−

12.2

z

−

13.4

z

=

−

179.2

Step 1: Simplify both sides of the equation.

−

12.2

z

−

13.4

z

=

−

179.2

−

12.2

z

+

−

13.4

z

=

−

179.2

(

−

12.2

z

+

−

13.4

z

)

=

−

179.2

(Combine Like Terms)

−

25.6

z

=

−

179.2

−

25.6

z

=

−

179.2

Step 2: Divide both sides by -25.6.

−

25.6

z

−

25.6

=

−

179.2

−

25.6

z

=

7

Answer:

z

=

7