Question

0,3x + 0.1y + 0.2z +50 = x

Answer 1

0.3x-x=-0.1y-0.2z-50
-0.7x=-0.1y-0.2z-50

X=-0.1y-0.2z-50/0.7

X= -1/10y -1/5z-50
7/10

X=-y-2z-500/10
7/10
X=-y-2z-500/7

X=-y-2z-500/7

R// y0 z0