Question

¹° x - 1 =2
²° x + 8 =50
³° 2x=10
⁴° 6x=20
⁵° x/8 =2
⁶° x/12=4
⁷° 20=4x
⁸° 20/x =5
⁹° 8/x =2
¹⁰° 2x+1= 8
¹¹° 10=x-10
¹²° 6x-10 =14
¹³° 2x+1=24
¹³° (4)=24

¹⁴° 20-3x
¹⁴° (4)

¹⁵° 2x(8+2)=100
¹⁶° 3(x+2)-2(2x+8)=200

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Answer 1

Respuesta:

1.x-1=2

x= 2+1

x=3

2.x+8=50

x=50-8

x=42

3.2x=10

x=10/2

x=5

4.6x=20

x=20/6

x=3.33...

5.x/8=2

x=2×8

x=16

6.x/12=4

x=4×12

x=48

7.20=4x

x=20/4

x=5

8.20/x=5

20/5=x

x=4

9.8/x=2

8/2=x

x=4

10.2x+1=8

2x=8-1

2x=7/2

x=3.5

11.10=x-10

x=-10+10

x=0

12.6x-10 =14

6x=14+10

6x=24

x=24/6

13.2x+1=24

2x=24-1

2x=23

x=23/2

x=11.5

14.(4)=24

x=6

15.20-3x

?

16.3(x+2)-2(2x+8)=200

3x+6-2(2x+8)

3x+6-4x-16

3x-10-4x

-x-10

-x-10+10=200+10

x=-210