Seudónimo Seudónimo

18-01-2017
Mathematics

contestada

Evaluate: 7 z +(-z ), when z = 4.

Respuesta :

18-01-2017

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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ChrisSwihart08 ChrisSwihart08

18-01-2017

Plug 4 into the expression for the value z and complete the expression,
7(4)+(-4)=28-4
24.

Answer Link

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