Probably the subsitution method
y=1/2x
subsitute that fr y
2x+3(1/2x)=28
2x+3/2x=28
times 2 both sides
4x+3x=56
7x=56
divide by 7 both sides
x=8
sub back
y=1/2x
y=1/2(8)
y=4
(x,y)
(8,4)
Answer:
m=3
Step-by-step explanation:
–8m = 3 − 9m
-8+9m = 3
m = 3
Answer:
Step-by-step
Create an algebraic equation. 6N-12. 6x1 - 12 = -6. So -6 is the first term.
6x10-12 = 48. So 48 is the 10th term
Hope it helps
Sorry if it’s unclear
Answer:
280 hours
Step-by-step explanation:
Amount paid + profit = cost of a lesson per hour
$2000 + $5000 = $25(h)
7000 = 25h
7000/25 = h
280 = h
Answer:
-22
Step-by-step explanation:
According to the question you need to find a number that gives the result of 22 when multiplied with -1
So, 
