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Anonymous
a line that has a Y-intercept of 9 and goes up four for ever one it goes right.
Rise: 4
Run: 1
Y-intercept: 9
Wiki User
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5
5. Just do 9 minus 4. 5 plus 4 equals 9
x = 4
-4 (-9 +5 = -4)
-4
x=4