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
