4 years ago

Solve for z. -10-z=10+2z+2z

Mathematics

1 answer:

antiseptic1488 [7]4 years ago

7 0

Answer:

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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