Answer: x = 4
Step-by-step explanation:
first, we calculate it.
-x = 8 - 3x
then, we move the variable to the left.
-x + 3x = 8
then, we collect like terms.
2x = 8
finally, we divide both sides.
x = 4
Answer:
11= 21
12= -12
13= -72
14= -1
no