Question

The left and right page numbers of an open book are two consecutive integers whose sum is 235 find these page numberThe two page numbers are ?

Answer 1

Let

x -----> one page

x+1 ----> second consecutive page

so

we have that

x+(x+1)=235

solve for x

2x+1=235

2x=235-1

2x=234

x=117

x+1=118

therefore

the pages number are 117 and 118