Question

ECUACIONES!! AYUDAAAAAAAAAAAA PORFA

Answer 1

7x-((x+4)-(2x+1)) = 10
7x-(x+4-2x-1) = 10
7x-(3-x) = 10
7x-3+x = 10
8x = 10+3
8x = 13
x = 13/8

saludos Ariel

Answer 2

7x-[(x+4)-(2x+1)]=10
7x-(x+4-2x-1)=10
7x-(-x+3)=10
7x+x-3=10
8x-3=10
8x=10+3
8x=13
x=13/8
x=1.625