Question

resolva as equacoes
4x-20=5x+10
8-10x=20x+60

Answer 1

4x-20=5x+10
4x-5x=10+20
-1x=30
x=-30

8-10x=20x+60
-10x-20x=60-8
-30x=52
30x=-52
x=-52/30
x=1,7333...


Espero ter lhe ajudado!