Answer:
x = 8
Step-by-step explanation:
3x - 20 = 4
add 20 to both sides
3x - 20 + 20 = 4 + 20
3x = 24
divide both sides by 3
= 
x = 8
Answer:

Step-by-step explanation:
Answer:
y=mx+b :)
Step-by-step explanation:
Answer:
14
Step-by-step explanation:
Multiply the exponents together