Answer:
What?
Step-by-step explanation:
Have a nice day uvu
Answer: the answer is 521
Step-by-step explanation: i don't know how i got it i am a human calculator :)
the 1st one is true but the 2nd one is not true
It's a good question I seen thank you so much for your help and support me in the morning and have a talk
x= 4
40x-20=100+10x
Subtract 10x and add 20 both sides:
30x= 120
x=4
