Answer:
x= 6
Step-by-step explanation:
Distribute -2 into the parenthesis.
-6x+(-20)+14x= 28
The negative sign cancels out the addition sign,
-6x-20+14x= 28
Add the variables together.
(-6x+14)
8x-20= 28
Add 20 to both sides.
8x-20= 28
+20 +20
Divide to both sides.
8x= 48
2 2
x= 6