Question

Subtraction Property Of Equality

If y =3 and 8x + y = 12 then _________

A. 8(3) -y=12
B.3-y=12
C.8x+3=12
D.8x-3=12

i know how to do this but this question really throws me off :/

Answer 1

just sub in 3 for y and what do you get ?

Answer 2

um, 24 + 3 = 12 ?

Answer 3

do not multiply...just sub in 3 in place of y. Do nothing to the other numbers

Answer 4

oh ok,8x + 3 = 12 ?

Answer 5

there you go :)

Answer 6

Thanks!

Answer 7

no problem :)