Question

Помогите решите задачи через уравнение

Answer 1

$1) \ x- all ~cash \ 2(frac{x}{3} -150)= frac{x}{6} \ x=4x-1800 \ 3x=1800 \ x=600 \ 2) \ 350 -all \ red - x \ blue - y \ white -z \ left { {{ left { {{x= frac{y+z}{4}} atop {y= frac{x+z}{6} }} right. } atop {x+y+z=350}} right. \ y+z=350-x \ 350-x=4x \ 5x=350 \ x=70 \ x+z=350-y \ 350-y=6y \ 7y=350 \ y=50 \ z=350-70-50 \ z=230 \ 3) \ zz1+zz2=60 \ dz1+kz1=zp \ dz1+dz2=dz \ zz2+kz2=80 \ kz1+kz2=x \ zz1+dz2=x \ ?$