Решите уравнение: x+2x+(x+3)=27
X+2x+(x+3)=27 x+2x+x+3=27 4x=27-3 4x=24 x=24:4 x=6
Х+2х+(х+3)=27 х+2х+х+3=27 4х=27–3 4х=24 х=6