let * be the binary operation on the set of real numbers defined as a*b=a+b-ab if 2*(3*x)=-7, find the - Maths - Relations and Functions

Question

let * be the binary operation on the set of real numbers defined as
a*b=a+b-ab if 2*(3*x)=-7, find the value of x

Anuradha Sharma · Accepted Answer

a*b=a+b-ab2*3*x=-7or 2*3+x-3x=-72*3-2x=-72+3-2x-2×3-2x=-75-2x-6+4x=-72x=-6x = -3

let * be the binary operation on the set of real numbers defined as a*b=a+b-ab. if 2*(3*x)=-7, find the value of x