Question

What value of r makes the equation true?

r + 0.12 = 0.20

A.
r = 0.32

B.
r = 0.08

C.
r = –0.08

D.
r = –0.32

Answer 1

Take a wild guess. XD What do you think it might be?

Answer 2

Umm idk O_O thats why i asked XD

Answer 3

don't make a wild guess. This is MATHS - it is a rational process

work it out

subtract 0.12 from each side of the equation

Answer 4

@Cowboy17

Answer 5

B @west_coast

Answer 6

Thanks :)

Answer 7

@west_coast
you have no way of knowing if @paolaxx33 just guessed that.

MANY answers given by people here are just plain WRONG

Answer 8

Thanks i am thinking about it XD

Answer 9

-0.08 i got that

Answer 10

hmmm - well you need to try again


r + 0.12 = 0.20
so subtract 0.12 from each side:

r = 0.20- 0.12

Answer 11

0.08?

Answer 12

r + 0.12 = 0.20
-0.12 -0.12
r=0.08

To check you just add
0.08+0.12= 0.20
@west_coast

Answer 13

that's better

Answer 14

XD thanks

Answer 15

so its 0.08

Answer 16

yes @west_coast

Answer 17

ok thanks