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Buleuiuliana24
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buna ziua va rog frumos ex 2
ofer coroana⭐️⭐️⭐️⭐️​

Buna Ziua Va Rog Frumos Ex 2ofer Coroana class=

Răspuns :

Dianageorgiana794

Răspuns:

[tex][(7-y)*5-2+3]:7+9=4*3\\\\[/tex]

[tex][(7-y)*5-2+3]:7=12-9\\\\(7-y)*5-2+3=3*7\\\\(7-y)*5-2=21-3\\\\(7-y)*5=18+2\\\\7-y=20:5\\\\y=7-4\\\\y=3[/tex]

Zgripceairina

Explicație pas cu pas:

{[(7-x)×5-2+3]÷7+9}÷3=4

[(7-x)×5-2+3]÷7+9=4×3

[(7-x)×5-2+3]÷7=12-9

(7-x)×5-2+3=3×7

(7-x)×5-2=21-3

(7-x)×5=18+2

7-x=20÷5

x=7-4

x=3

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