Every different possible value for 'x' gives a different value for 'y'. There are
an infinite number of pairs like that, and every one of them is an "answer".
Here are a few:
X . . . . Y
-3 . . . -24
-2 . . . -15
-1 . . . -6
0 . . . . 3
1 . . . . 12
2 . . . . 21
3 . . . . 30
4 . . . . 39
5 . . . . 48
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y=9x=3it equals ......y= 3.334
x + y = 9x + y9x + y = x + y8x + y = y8x = 0x = 0
2x + 3y = 9x = 3, y = 1 therefore 6 + 3 = 9
16
Multiply first equation by 3: 9x + 15y = 63Add that and second equation: 19y = 57Divide by 19: y = 3, so x = 2