Answer:
1: 3
Step-by-step explanation:
3:9
divide both sides by 3
1: 3
2 4/10
2 2/5
That's the answer
2x + y = 8
x - y = 10
--------------add
3x = 18
x = 6
x - y = 10
6 - y = 10
-y = 10 - 6
-y = 4
y = -4
solution is : (6,-4)
Answer:
A positive number is the opposite of a negative number witch is negative
ex: 1,2,3,4,5,6,7,8,9
A negative number is the opposite of a positive number
ex: -1,-2,-3,-4,-5,-6,-7,-8,-9
