Question

resolva as equações

8x-43=65

93x-16=15-17x

10y-5(1+y)=(2y-2)-20​

Answer 1

a) 8x-43=65

8x=65+43

8x=108

2x=27

x=27/2

b) 93x-16=15-17x

15-16=-17x-93x

-1==-100x

x=1/100

10y-5.(1+y)=(2y-2)-20

10y-5-5y=-2y+2-20

5y-5=-2y-18

5y+2y=-18+5

7y=-13

y=-13/7

Abraços.