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FAN AND MEDAL AWARDED Evaluate the expression, using the given value of the variable. z ÷ 3 – 5z + 4(z – 2) when z = 12 A. –98 B. –96 C. –16 D. –14

Mathematics
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Ok use BODMAS rule and substitute x=12 in the equation
I did that and got -5

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Other answers:

try again?
can u please show ur step then i can know where you are making mistake
=12+3-5*12+4(12-2) =12+3-5*12+4*10 =12+3-60+4*10 =12+3-60+40 =15-100 =-85
ok ur first step is right
you considered the brackets and got 10
yes..
and note it is z/3 not z+3 !!
OMG!!!!!!!!!!!! thanks sooo much!! thats where my mistake was!!!
=12/3-5*12+4*10 =12/3-5*12+40 now do division
yw :)
ok 1 sec
-96
try again?
show me ur step after =12/3-5*12+4*10 =12/3-5*12+40
=4-60+40 =-96 :D
-60+40=??
reply pls i gotta sleep after finishing this !!
@alahrichi1 .......
-20
-20+4=?
no bro, not -60+40 its 4 minus 60
both are same :)
subtraction is actually a form of addition only :)
whatevr way you do the answer will be same
4-60=?
please reply fast ?
-56
-56+40 =?
-16
:D you done it !!!
if you did other way also you will get -16 see =4-60+40 =4-20 =-16
beauty of mathematics !!
omg dude u are a legend
:D thanks ..nw i can sleep :)
good nite
thanks hav good day/night :)
u too

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