Answer:
, 
Step-by-step explanation:
Give.
----------(1)
------------(2)
Solve this linear equation by elimination method.
Add equation 1 and 2


-----------------------------



Put y value in equation 2




, 
10 x 4 = 40. This should help with the first one.
Answer:
Step-by-step explanation:
heya
divide 13 into 4 and you will get the answer.the answer is0.308
thanx
mark me as brainlest
Answer:
x= -2
y= 8
Step-by-step explanation:
Plug it in to make sure of course. Good luck