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17 February, 05:43

Solve for z.

-10-z=10+2z+2z

+5
Answers (1)
  1. 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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