Question

(2x+1):15=(x-1):7what is?????

Answer 1

Answer

$\implies \rm (2x+1):15 = (x-1):7$

Above equation can be written as,

$\implies \rm \frac { 2x+1 } { 15 } = \frac { x-1 } { 7 }$

Now cross multiplying

We get ,

$\implies \rm 15x-15 = 14x + 7$

$\implies\boxed{ \rm x = 22}$