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Madalinamoraru12345
a fost răspuns

Mā ajutati urgent vā rog !! ex 2 (a,b,c,d) si ex 3 (b,c) Mersii

Mā Ajutati Urgent Vā Rog Ex 2 Abcd Si Ex 3 Bc Mersii class=

Răspuns :

Irinel987654321
ex 2
a)7x=21⇒x=21/7⇒x=3
b)9x=3⇒x=9/3⇒x=3
c)5x-2/3=0⇒15x-2/3=0⇒15x-2⇒15x=2⇒x=2/15
d)4x-1/7=0⇒28x-1/7=0⇒28x-1=0⇒28x=1⇒x=1/28
 

ex 3

Vezi imaginea Irinel987654321

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