x + 60 = 500 - 100
x + 60 = 400
x = 400 - 60
x = 340
x + 60 = 500 - 100
x + 60 = 400
x = 400 - 60
x = 340
x + 60 = 500 - 100
x + 60 = 400
x = 400 - 60
x = 340.
x + 60 = 500 - 100
x + 60 = 400
x = 400 - 60
x = 340
x + 60 = 500 - 100
x + 60 = 400
x = 400 - 60
x = 340
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x + 60 = 500 - 100
x + 60 = 400
x = 400 - 60
x = 340
x+60=500-100
x+60=400
x=400-60
x=340