Answer:
x = 3, y = - 2
Step-by-step explanation:
By substitution method,
4x + y = 10 -------> equation 1.
7x + 2y = 17 -------> equation 2.
From equation 1,
y = 10 - 4x ------> equation 3.
Substitute equation 3 in 2,
7x + 2 ( 10 - 4x ) = 17
7x + 20 - 8x = 17
7x - 8x = 17 - 20
- x = - 3
x = 3
Substitute x = 3 in equation 1,
4 ( 3 ) + y = 10
12 + y = 10
y = 10 - 12
y = - 2
Hence,
x = 3
y = - 2
Answer:
5cm
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
cross multiply
42 x 24 = 48x
1008 = 48x
x = 21
Answer:
900
Step-by-step explanation:
1,000 degreased by 10%=900
hope this helps
have a great day/night
Answer:
not sure i hope you find someone to help u tho soon
Step-by-step explanation:
