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ad-work [718]
4 years ago
6

I need to know these asap

Mathematics
1 answer:
Tju [1.3M]4 years ago
5 0

Answer: (-3, -5)

<u>Step-by-step explanation:</u>

-6x +  y =  13  

<u> 6x + 3y</u> = <u>-33 </u>

         4y = -20

       <u> ÷4 </u>     <u>÷4 </u>

          y  =  -5

6x + 3y = -33

6x + 3(-5) = -33

6x - 15 = -33

6x        = -18

x         = -3

*********************************************************************************

Answer: (\frac{1}{3}, 2)

<u>Step-by-step explanation:</u>

9x +  y =  5   →    1(9x +  y =  5)   →    9x +  y =  5

3x - 3y = -5   →  -3(3x - 3y = -5)  →  <u> -9x + 9y</u> = <u>15 </u>

                                                                10y = 20

                                                              <u> ÷10  </u>  <u>÷10 </u>

                                                                   y = 2

9x +  y =  5

9x + (2) = 5

9x        = 3

 x         = \frac{1}{3}


     


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