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Sunny_sXe [5.5K]
2 years ago
5

If 6j-5k =11 and 5j-6k =22, then what is the value of 2j+2k??

Mathematics
1 answer:
dsp732 years ago
8 0

Answer:

-22

Step-by-step explanation:

6j-5k=11

5j-6k=22

-----------------

5(6j-5k)=5(11)

-6(5j-6k)=-6(22)

-----------------------

30j-25k=55

-30j+36k=-132

-----------------------

11k=-77

k=-77/11

k=-7

6j-5(-7)=11

6j+35=11

6j=11-35

6j=-24

j=-24/6

j=-4

------------------

2j+2k=2(-4)+2(-7)=-8-14=-22

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