Answer:

Multiple across equal sign (Denominator x Nominator and vise versa)




Answer: 20
Step-by-step explanation:
numbers belonging to the figure on the left are 2.5 times less than on the right so to find x multiply 8 by 2.5 and that is 20
Answer:
first one yes
Step-by-step explanation:
second one its
39x+10=180
Its 4-6=2 its easy because just keep useing numbers until the become two