Solve the simultaneous equations
-x + 4y = 12
x + y = - 7
1 answer:
Answer:
y = 1, x = - 8
or
(-8, 1)
Step-by-step explanation:
-x + 4y = 12
x + y = -7
add the equations together
0x + 5y = 5
5y = 5
y = 1
substitute y for 1 in one of the original equations to find x
x + y = -7
x + 1 = -7
x + 1 - 1 = - 7 - 1
x = - 7 - 1
x = -8
You might be interested in
Answer:
75% of customers are not offered free games.
add me on fortnite IClapYsn
Answer:
The answer is x=9 :)
Answers 5x=d that’s the answer nothing else
A Can you help me with these questions
