4.5-0.5=(4.5x)÷(x+10)
4(x+10)=4.5x
4x+40=4.5x
0.5x=40
x=40÷0.5
x=80
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4.5(x+10)-4.5X=0.5(x+10)
45=0.5X+5
x=80
4.5-(4.5x)÷(x+10)=0.5
4.5-0.5=4.5x÷(x+10)
4(x+10)=4.5x
4x+40=4.5x
0.5x=40
x=80
4.5-0.5=(4.5x)/(x+10)=4
4.5x=4(x+10)
4.5x =4x+40
0.5x=40
x=80