3 years ago

-4x+3x+2x+x=17 x-4x+3x+2x=13 2x+x-4x+3x=9 3x+2x+x-4x=1

Mathematics

1 answer:

ella [17]3 years ago

3 0

Answer:

x= 8,5

x=0

X= 2

x= -2

Step-by-step explanation:

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