Answer:
It's 7!
Step-by-step explanation:
I believe the answer is C

Multiply both sides of the equation by 3.

Subtract 6x on both sides.

Combine 2x and −6x to get −4x.

Add 20 to both sides. Any value plus zero results in its same value.

Divide both sides by −4.

Divide 20 by −4 to get −5.

<h2>{ Pisces04 }</h2>
Answer:
ex 2
is d 66 and ex 4 don't know