Respuesta :
0.5x + 78.2 = 287
-78.2 -78.2
subtract 78.2 on both sides you will then get 0.5x = 208.8 you will then divide by 0.5 and the answer is x = 417.6
-78.2 -78.2
subtract 78.2 on both sides you will then get 0.5x = 208.8 you will then divide by 0.5 and the answer is x = 417.6
Subtract 78.2 from both sides
0.5x+78.2-78.2= 287-78.2
0.5x = 208.8
Divide both sides by 0.5
0.5x/0.5= 208.8/0.5
x= 417.6
I hope that's help !