Answer :
Answer:
x = 12
Step-by-step explanation:
Move numbers and variables on opposite sides and flip the signs
9x - 4x = 20 + 40
Add and subtract
5x = 60
Divide and multiply
x = 60/5
x = 12
Answer:
x = 12
Step-by-step explanation:
Move numbers and variables on opposite sides and flip the signs
9x - 4x = 20 + 40
Add and subtract
5x = 60
Divide and multiply
x = 60/5
x = 12