Question

Aflati x din: (12+x)+14= 4xX-4=

Answer 1

$\displaystyle (12+x)+14=4x-4 \\ 12+x+14=4x-4 \\ x-4x=-4-12-14 \\ -3x=-30 \\ x= \frac{-30}{-3} \\ x=10$