Answer:
5000
Step-by-step explanation:
Answer:
You know you got one solution if when you solve your equation its not for example 5=5 because that's infinite solutions or 5=6 because that's no solution so one solution would be like y=5
The answer is 204
Explanation: 100x2+4 = 204pence
Answer:
The answer is 76500 : 153000
Step-by-step explanation:
You need to times 2
A) x + y = 17
B) x * y = -168
y = -168/x then inputting this into A)
x + -168/x = 17
x^2 -168 -17x = 0
x = 24 and x = -7