a) x= 4.8 1/2x= 2.4 y=-2.1 1/2x-y=2.4-(-2.1)=2.4+2.1=4.5
б)x= -4.4 1/2x=-2.2 y=-3. 1/2x-y=-2.2-(-3)=-2.2+3=0.8
a) x= 4.8 1/2x= 2.4 y=-2.1 1/2x-y=2.4-(-2.1)=2.4+2.1=4.5
б)x= -4.4 1/2x=-2.2 y=-3. 1/2x-y=-2.2-(-3)=-2.2+3=0.8