Answer:
x-4y=28
Step-by-step explanation:
2x+6y=42
-3x-2y=-70 (both side multiple -1 )
The answer is x-4y=28 or -x+4y=-28
Answer:
3
Step-by-step explanation:
This is because by inserting the numbers individually in the f(x) equation you'll get 3 throughout
It would be 3,330 would be ur answer
Answer:
x=-2
y= 8
Step-by-step explanation:
Given data
10x – 2y = -36-----------1
7x – 2y = -30--------------2
-Subtract to eliminate y
3x-0= -6
3x= -6
x= -6/3
x= -2
Put x= -2 in
7(-2)– 2y = -30
-14-2y=-30
-14+30=2y
16=2y
y= 16/2
y= 8