Answer:
chican leg piece 77
Step-by-step explanation: 90,po
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Cant answeer if you didn't post the numbers
13 x 6 = 78 it cant be multiplied anymore so it can go into 80 about 6 times.
Answer:
3xy
Step-by-step explanation:
These terms are all like terms so you can add:
-2xy + 2xy = <em>0xy</em>
Now add 3xy + 0xy: 3xy
Answer:
x=3 and y=1
Step-by-step explanation:
subtract equation 2 from 1
then (2x+3y) -(2x+y) =9-7
2x-2x+3y-y =2
2y=2 therefore y=1
substitute y value in 2x+y=7
2x+1=7
2x=7-1
2x=6
x=3