Answer:
16 and -4
Step-by-step explanation:
Let the 2 numbers be x and y with x > y
x+y=12
x-y=20
Adding the 2 equations, term by term on both sides, will eliminate y leaving an equation in x that we can solve
(x+x)+(-y+y)=(12+20)
2x=32
x=16
16+y=12
y=-4
16+-4=12
12=12
16--4=20
20=20
Answer:
x + 4
Step-by-step explanation:
whatever the number is goes into x and add that with 4 and you get your sum
Answer:
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Step-by-step explanation:
Answer:
I think graph represent x>2. or (2,infinity)
[ (12 - n)/7 ] = -1
12- n = -7
-n = -19
n = 19
