Question

resolva as equação do 1°grau

Answer 1

2/3+2*(x-3)=x-2/5
2/3+2x-6/4=x-2/5
vamos achar o mmc
vai dar 60

40+30x-90=60x-24
30x-60x=-24+90-40
-30x=26
x=26/30
x=13/15

4(x-2)-2(1-3x)=2x
4x-8-2+6x=2x
4x+6x-2x=8+2
8x=10
x=10/8
x=5/4