11X+8X=456 38X-14X=1608 Срочно!!!!!!!!!!!!!!!!!!!!!!!!

Question

11X+8X=456


38X-14X=1608
Срочно!!!!!!!!!!!!!!!!!!!!!!!!

Comments

y+27y=1204

---

вот ещё!

---

14x-x-28=167

---

8a+7a+15=420

---

16y-7y+38=3683

Answer 1

38х-14х=456 
24х=456
х=19

Comments

y+27y=1204

---

lf

---

да

---

y+27y=1204 28у=1204 у=43

---

який клас?

---

14x-x-28=167 13х=195 х=15

---

8a+7a+15=420 15а=405 а=27

---

16y-7y+38=3683 9у=3645 у=405