Answer:
30
Step-by-step explanation:

bdc=30
Answer:
One solution x = 2
Step-by-step explanation:
Given the equation:

Multiply this equation by 2:

Use distributive property:

Combine the like terms:

Thus, this equation has one solution x = 2
Answer:
Fourth and fifth ones are right
Step-by-step explanation:
I’m pretty sure it is 57?