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Alinara [238K]
3 years ago
13

NEED HELP ASAP ! Questions are in the pic

Mathematics
2 answers:
Alexeev081 [22]3 years ago
8 0

Answer:

(2,1)

Step-by-step explanation

4x+5y=7

y=3x+9

       4x+5(3x+9)=7                4x+5y=7

        4x+15x+45=7                  4(2)+5y=7

         19x+45=7                         8+5y=7

               -7       -7                    -7             -7

          19<u>x</u>  = <u>38</u>                           <u>5y</u>=<u>1</u>

          19        19                             5   5      

          x=2                                  y= 1.1

          

 don't forget to brainllest:)

STALIN [3.7K]3 years ago
5 0
insert the y value in the equation,
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Answer:

from original question:

Step-by-step explanation:

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