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Sati [7]
3 years ago
5

Solve the system using substitution. Put in point form. 2x - 7y = 13 3x + y = 8

Mathematics
2 answers:
Elena L [17]3 years ago
8 0

are they being multiplied or added or subtracted?

iragen [17]3 years ago
4 0

Answer:

(3, -1)

Step-by-step explanation:

3x +y = 8

<u>-3x   =-3x </u>

Y=-3x +8 Substitute into 1st equation           y=-3x+8

2x-7(8-3x+8)= 13                                                 -3(3) + 8

2x-56+21x= 13                                                       -9 +8

23x-56 =13                                                        y = -1    

<u>      +56= +56</u>

<u>23</u>x   =      <u>69</u>

23             23

   x = 3

solution (3, -1)

<u />

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