Question

pls someone answer this plssssssa​

Answer 1

Ok wait a minute

Mark me as brainliest too

Answer 2

Answer:

a.) y=13

x=3

y+7=20

y=20-7=13

x+y=16

x+13=16

x=16-13=3

b.)120 + 5x + 10 =180

x= 10

5x + 10 + 6y = 180

put x=10

50 +10 +6y = 180

6y = 180-60

y= 120÷6

y=20