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Mathematics
Elyse Durham
17 February, 05:43
Solve for z.
-10-z=10+2z+2z
+5
Answers (
1
)
Niko Knox
17 February, 07:01
0
z=-4
Step-by-step explanation:
Simplify 10 + 2z + 2z to 10 + 4z
Add 10 to both sides
Simplify 10 + 4z + 10 to 4z + 20
Subtract 4z from both sides
Simplify - z - 4z - z - 4z to - 5z - 5z.
Divide both sides by - 5 - 5
Simplify 20 / 5 to 4
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