Question

Evaluate the expression, using the given value of the variable.

z ÷ 3 – 5z + 4(z – 2) when z = 12

A.
–98

B.
–16

C.
–96

D.
–14

Answer 1

All you're doing here is plugging in 12 for z, so you get\[12\div3-5(12)+4(12-2)\]

Answer 2

And you have to solve by PEMDAS

Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction

Answer 3

hold on

Answer 4

10 4 60

Answer 5

first do everything that is in parenthesis and what do you get ?

Answer 6

10

Answer 7

do your distributing as well

Answer 8

Now multiply everything that needs to be multiplied and what's the new equation

Answer 9

5X 12 is 60

Answer 10

Correct, and also 4(10)

Answer 11

40

Answer 12

Correct, next in the order of operations you have to divide so (12/3)

Answer 13

4

Answer 14

Great, what's the new equation

Answer 15

??????

Answer 16

No, That's wrong

Answer 17

4 - 60 + 40

Answer 18

yyyeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Answer 19

4-60+40

Answer 20

ohhh

Answer 21

-16

Answer 22

Yes!! Good job!!

Answer 23

yep ^^

Answer 24

Do you need help with anything else?

Answer 25

yea

Answer 26

Tag me in a question or ask it here

Answer 27

ok