Question

which equation has the solution $x = 8$?
answer
$3x + 3 = 39$
$9x - 3 = -69$
$9x - 6 = 66$
$4x + 9 = 35$

Explanation:

Step1: Check option 1

Substitute $x = 8$ into $3x+3$. We get $3\times8 + 3=24 + 3=27
eq39$.

Step2: Check option 2

Substitute $x = 8$ into $9x - 3$. We get $9\times8-3=72 - 3=69
eq - 69$.

Step3: Check option 3

Substitute $x = 8$ into $9x - 6$. We get $9\times8-6=72-6 = 66$.

Step4: Check option 4

Substitute $x = 8$ into $4x + 9$. We get $4\times8+9=32 + 9=41
eq35$.

Answer:

$9x - 6 = 66$