\(x+120=500+100\)
\(x+120=600\)
\(x=600-120\)
\(x=480\)
x + 120 = 500 + 100
x + 120 = 600
x = 600 - 120
x = 480
x + 120 = 500 + 100
x + 120 = 600
x = 600 - 120
x = 480
\(x+120=500+100\)
\(x+120=600\)
\(x=600-120\)
\(x=480\)
x+120=500+100
=>x+120=600
=>x=600-120
=>x=480
x + 120 = 500 + 100
x + 120 = 600
x = 600 - 120
x = 480
x + 120 = 500 + 100
x + 120 = 600
x = 600 - 120
x = 480
x+120=500+100
x+120=600
x=600-120
x=480
x + 120 = 500 + 100
x + 120 = 600
x = 600 - 120
x = 480