Question

e olha eu fezendo perguntas de novo ...k) x + x - 4 = 17 - 2x + 1
l) 7 (x-4)=2x-3​

Answer 1

k)

x+x-4=17-2x+1

2x-4=17-2x+1

2x+2x=17+1+4

4x=22

x=22/4

x=5.5

l)

7(x-4)=2x-3

7x-28=2x-3

7x-2x=-3+28

5x=25

x=25/5

x=5