Question

check the equation (x=3). 11-4x=-1​

Answer 1

Answer:

x=3

11-4x=11-4(3)

=12-12=-1

Answer 2

$\Huge\mathfrak\pink{answer:}$

$\bf{Prove~that~11-4x=-1~~when~x=3}$

$\bf{Here:}$

${\bf{~~~~LHS=}}{\sf{11-4x}}$

$\bf{When~x=3}$

$\sf{= \implies 11-4(3)}$

$\sf{= \implies 11-12}$

$\sf{= \implies {\underline{\underline{-1=RHS}}}}$

$\Large\bf{Hence~Proved~~!!}$