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Ma ajutatii? plizz
d)
e)
f)
restu leam facut ex 13


Ma Ajutatii Plizz D E F Restu Leam Facut Ex 13 class=

Răspuns :

d)5x+16-4x+12-x=2x+36
5x-4x-x+16+12=2x+36
28=2x+36
-2x=36-28
-2x=8
x=-4
e)4x+20+3x+9=2x+30+4
7x+20+9=2x+34
7x-2x=-29+34
5x=5
x=1
f)5x+10+4x-12=3x+24-14
5x+4x+10-12=3x+10
9x-2=3x+10
9x-3x=2+10
6x=12
x=2
sper ca te-am ajutat