4,2*(0,25+х)=1,47 (4,5-у)*5,8=8,7 помогите

Question

4,2*(0,25+х)=1,47
(4,5-у)*5,8=8,7 помогите

Answer 1

4.2 х(0,25+Х)=1,47
1,05+4,2Х=1,47
4,2Х=1,47-1,05
4,2Х=0,42
Х=0,42:4,2
Х=0,1

(4,5-у) х 5,8=8,7
26,1-5,8у=8,7
5,8у=26,1-8,7
5,8у=17,4
у=17,4:5,8
у=3

Comments

спосидо

---

спосибо

---

)))))

---

;3