Question

2+462:[10×(x+20):2+1]=4

Answer 1

2+462:[10×(x+20):2+1]=4462:[10×(x+20):2+1]=4-2=2
[10×(x+20):2+1]=462:2=231
10×(x+20):2=231-1=230
10×(x+20)=230X2=460
x+20=460:10=46
x+20=46
X=46-20
X=26