Question

Which of the following shows the correct solution steps and solution to
3x+2 =17?
3æ + 2= 17
3æ +2 +2
17 +2
3= 19
3c
19
O A.
19
3a +2=17
3z +2-217 +2
3z=19
19
3
OB.
19
2
3z + 2- 17
3z +2- 2–17
3z = 15
15
3
2
Oc.
3z
3
=-5
3a + 2= 17
3 + 2- 2=17–2
3z = 15
32
3
O D.
15
3

Answer 1

C.

$3x + 2 = 17 \\ 3x + 2 - 2 = 17 - 2 \\ \: \: \: \: \: \: \: \: \: 3x = 15 \\ \: \: \: \: \: \: \: \: \: \: \: x = \frac{15}{3} \\ \: \: \: \: \: \: \: \: x = 5$