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3 September, 14:47

Solve for z.

2z + 2 + 4z - 4z + 4z = 7

Z =

+3
Answers (1)
  1. 3 September, 15:11
    0
    Z=0.8

    Step-by-step explanation:

    Combine the opposite terms

    2z+2+4z=7

    Add

    2z and 4z

    6z+2=7

    Move all terms not containing z to the right side of the equation.

    Subtract 2 from both sides of the equation.

    6z=7-2

    6z=5

    Divide each term:

    6z/6 = 5/6

    Decimal Form:

    z=0.8
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