Question

Sa se determine valoarea lui x din :​

Answer 1

Salut!

$7\cdot 2+3\cdot x [3+2\cdot (5+1)]=14$

$14+3x\cdot (3+2\cdot 6)=14$

$14+3x\cdot (3+12)=14 |-14$

$3x\cdot (3+12)=0$

$3x\cdot 15=0$

$45x=0 |:45$

$\boxed{x=0}$

-Luke48