Question

​urgent plsssssssssss

Answer 1

Răspuns:

4/9

Explicație pas cu pas:

"/"-LINIE DE FRACȚIE

3(x+y+1)-2(x-5-y)=24

3x+2/10+x+7/5=4x-1/5+3x+2/2

3x+2+2(x+7)=2(4x-1)+5(3x+2)

3x+2+2x+14=2(4x-1)+5(3x+2)

3x+2+2x+14=8x-2+5(3x+2)

3x+2+2x+14=8x-2+15x+10

5x+2+14=8x-2+15x+10

5x+16=8x-2+15x+10

5x+16=23x-2+10

5x+16=23x+8

5x+16-23x=8

5x-23x=8-16

-18x=8-16

-18x= -8

x=4/9 (4 supra 9)

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