Question

resultado con comprobación de...
5x+2=27
4x-2=8
2x-34=-20
9x-15=48
5x+18=78
3x+36=72
5x=75
6x=90​

Answer 1

Explicación paso a paso:

5x+2=27

5x=27-2

5x=25

x=25/5

x=5

comprobante

5(5)+2=27

25+2=27

27=27

4x-2=8

4x=8+2

4x=10

x=10/4

x=2.5

comprobante

4(2.5)-2=8

10-2=8

8=8

2x-34=-20

2x=-20+34

2x=14

x=14/2

x=7

comprobante

2(7)-34=-20

14-34=-20

-20=-20

9x-15=48

9x=48+15

9x=63

x=63/9

x=7

comprobante

9(7)-15=48

63-15=48

48=48

5x+18=78

5x=78-18

5x=60

x=60/5

x=12

comprobante

5(12)+18=78

60+18=78

78=78

3x+36=72

3x=72-36

3x=36

x=36/3

x=12

comprobante

3(12)+36=72

36+36=72

72=72

5x=75

x=75/5

x=15

comprobante

5(15)=75

75=75

6x=90

x=90/6

x=15

comprobante

6(15)=90

90=90