Question

Solve the following equation :

Find x

See the attachment above​

Answer 1

Step-by-step explanation:

a=5x+15=20

5x=20-15

5x=5

x=1

b=7x-(4x-3)=2x-5

7x=2x-5+4x-3

7x=2x+4x-5-3

7x=6x-8

7x-6x=8

1x=8

Answer 2

Answer:

a) 1

b) -8

c) -8/3

d) -14

e) -3