Question

ecuación x+10.5-10.5=18.5-20.5

Answer 1

x+10.5-10.5=18.5-20.5
x=-2

-2 + 10.5 - 10.5=18.5-20.5
-2=-2

Espero que sirva!Saludos!

Answer 2

x + 200 = 350
x = 350-200
x = 150