Question

a. 7x- 15 = 20
b. - 5x8 = 12
C. 4x - 10=26
d. 6x-18 = 10​

Answer 1

Explicación paso a paso:

Andrea (01.) ___________ [BE] a doctor. She (02.) ___________ [WORK] at Reina Sofía's Hospital. Every morning she (03.) ___________ [GO] to work on the bus. She (04.) ___________ [CHECK] patients from eight in the morning until four in the afternoon. She usually (05.) ____________________ [GET] home at about six o'clock. Most evenings she (06.) ___________ [STAY] at home and (07.) ___________ [WATCH] television or (08.) _______________ [READ] a book, but sometimes she (09.) ___________ [SPEND] time with her friends. At the weekend she (10.) ___________ [LIKE] to go for a walk in the country or to go swimming in the pool near her home.

Answer 2

Explicación paso a paso:

a) 7x-15=20

7x=20+15

7x=35

x=35/7

x= 5

b) -5x+8=12

-5x=12-8

-5x=4

x= - 4/5

c) 4x-10=26

4x=26+10

4x=36

x=36/4

x=9

d) 6x-18=10

6x =10+18

6x=28

x=28/6 se simplifica a la mitad

x= 14/3