Question

х-728=2×24×10. 2)523-х=21:3×10. 3)х×90=75×2+30= 4)60*х=3×6*10

Answer 1

x-728=480
×=728+480
x=1208

2) 523-x=21:3×10
523-x=70
x=523-70
x=453

3) x×90=75×2+30
x×90=180
x=180:90
x=2

4) 60*x=3×6×10
60*x=180
x=180:60
x=3