Question

If AD = 3x + 3 and CD = x + 9, what is the value of x?
a 1
b 10
c 7
d 6
If AD = 3x + 4 and CD = x + 6, what is the value of x?
a 3
b 6
c 9
d 1

Answer 1

second equation substract x both sides first

Answer 2

3x+4=x+6
-x -x
2x+4=6
2x-4=-4
2x=2 I guess you know how to do that

Answer 3

on the first equation I think there's something wrong in it.Is it 3x-3 instead of 3x+3?

Answer 4

@joshhfers its right ,
If AD = 3x + 3 and CD = x + 9, what is the value of x?

Answer 5

If AD = 3x + 2 and CD = x + 6, what is the value of x?