Question

RESOLVA AS EQUAÇÕES ABAIXO
1)X-15X=0
2)X-81=0
3)X-121=0
4)3X-5X=0
5)X-X=0
6)9X-16=0
7)X+25=0
8)11X-X=0
9)49X=36​

Answer 1

1) x - 15x = 0

-14x = 0 . (-1)

14x = 0

x = 0

---

14

x = 0

2) x - 81 = 0

x = 0 + 81

x = 81

3) x - 121 = 0

x = 0 + 121

x = 121

4) 3x - 5x = 0

- 2x = 0 . (-1)

2x = - 0

x = - 0

-----

2

x = - 0

5) x - x = 0

x = 0

6) 9x - 16 = 0

9x = 0 + 16

9x = 16

x = 16

----

9

x = 1,7

7) x + 25 = 0

x = 0 - 25

x = - 25

8) 11x - x = 0

10x = 0

x = 0

---

10

x = 0

9) 49x = 36

x = 36

----

49