X y

-28 -54

-21 -40

-14 -26

What is the y intercept

  2

Step-by-step explanation:

As x increases from -28 to -14, a change of +14 units, the value of y increases from -54 to -26, a change of -26+54 = 28 units.

If x increases 14 more units to 0, y will increase 28 more units from -26 to +2.

The y-intercept is +2.

We have determined the slope to be (change in y)/(change in x) = 28/14 = 2, so the relation between x and y is ...

  y = 2x +2

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x = 17

step-by-step explanation:

1st step: isolate x.

24 - 3x = -27

-24         -24

-3x   =   -51

2nd step: divide.

-3x     =   -51

  3             3

  x       =     17

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