5*(x+3)=-25 7*(y+1)=42 4*(z-4)=96 6*(t-2)=-54 1 -*(a+4)=6 2 1 -*(b+5)=-1 3 *-to razy

5*(x+3)=-25 5x + 15= -25 5x= -25 -15 5x= -40 : 5 x = 8 7*(y+1)=42 7y+ 7 = 42 7y = 42 - 7 7y = 35 : 7 y = 5 4*(z-4)=96 4z-16=96 4z=96+16 4z = 112: 4 z = 28 6*(t-2)=-54 6t - 12 = - 54 6t = -54 -12 6t = -68 ; 6 t = 11,3 nie rozumiem dalszego zapisu

5*(x+3)=-25 5x+15=-25 5x=-25-15 5x=-40 II /5 x=8 7*(y+1)=42 7y+7=42 7y=42-7 7y=35 II /7 y=5 4*(z-4)=96 4z-16=96 4z=96+16 4z=112 II/4 z=28 6*(t-2)=-54 6t-12=-54 6t=-54+12 6t=-42 II/6 t=7 -*(a+4)=6 -a-4=6 -a=6+4 -a=10 II/-1 a=-10 -*(b+5)=-1 -b-5=-1 -b=-1+5 -b=4 II/-1 b=-4 tyle z tego rozumiem