Question

What is the value of z in the equation 5(2z + 4) = 0?

-2
0
2
20

Answer 1

@Joshtray

Answer 2

distribute first

5*2z = ?
5*4 = ?

Answer 3

20 and 10?

Answer 4

10z + 20 = 0

subtract 20

0 - 20

Answer 5

subtract 20 from 0?

Answer 6

ye

0 - 20

Answer 7

yes to get -20 on that side

Answer 8

-20

Answer 9

-20 / 10

Answer 10

-2

Answer 11

yes

Answer 12

that's your answer

Answer 13

oh lool thank you!!

Answer 14

yw :)

Answer 15

do you mind helping me with one more?

Answer 16

i'll help

Answer 17

ok ill post a new question

Answer 18

btw, often it's faster to first divide by the 5 , on both sides
in this case you get
5(2z + 4) = 0
becomes
2x + 4 = 0 (because 0/5 is still 0)
now do
2x= -4
x= -2