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vovikov84 [41]
2 years ago
9

These two functions intersect.

Mathematics
2 answers:
Mamont248 [21]2 years ago
6 0
X=-1 this is because you have to get the X alone then you can solve the rest from there
N76 [4]2 years ago
4 0

Answer:

x = -1

Step-by-step explanation:

if you plot these two functions (which are both straight line graphs), you will see that they intersect at one point.  The value of x you are trying to find is the x-coordinate of the point of intersection (see attached graph).

                                                x + 2 = 2x + 3

subtract x from both sides:         2 = x + 3

subtract 3 from both sides:         -1 = x

Therefore, x = -1

Sub x = -1 into either of the functions to get the y-coordinate of the point of intersection:

y = -1 + 2 = 1

So the point of intersection is (-1, 1)

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