Question

Podem me ajudar????( e para amanhã)

Answer 1

2) 2700/3=900

3) x/2 - 7=2
x-14/=4/2 (tirei mmc)
logo x=18

4) 3x+2=23
3x=21
x=7

5) 2x+3=13
2x=10
x=5

6) x/2- x/6=6
3x-x/6= 36/ 6 (mmc)
3x-x=36
2x=36
x=18

7) x+6=60/3
x+6=20
x=14

8)x/3-1=5
x-3=15 (mmc)
x=18

9)x/5 +2=6
x+10=30 (mmc)
x=20

10)x/4=3
x=12

11) 2x-3=11
2x=14
x=7