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Mathematics
Madalyn Acevedo
25 August, 09:32
Evaluate: 7 z + (-z), when z = 4.
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Julie Adkins
25 August, 10:20
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First insert 4 into the place of every z. Making the problem 7 (4) - 4. Next multiply 7 and 4 to get 28, then simply subtract 4. Your answer will be 24
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Angela Lindsey
25 August, 11:13
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Plug 4 into the expression for the value z and complete the expression,
7 (4) + (-4) = 28-4
24.
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