Answer:
y is the same as 1y. so 9y + 1y = 10y
Answer: u= 3.2
Step-by-step explanation:
divide both by 4
First you must combine like terms, the two terms I this expression are x, and xy. So by adding -2xy to -2xy you get -4xy. Next you must add 3x to 3x. This gives you the simplified expression -4xy+6x. Hope this helps