a) 2x-7-[3-2x-2(1-2x)] = x-11 2x-7-(3-2x-2+4x) = x-11 2x-7-(1+2x) = x-11 2x-7-1-2x = x-11 -8 = x-11 x = 3 spr. 3-11 = (-8), P=L b) 10-[2(1-x)-3(2x+5)] = 2(x+5)+1 10-(2-2x-6x-15) = 2x+10+1 10-(-13-8x) = 2x+11 10+13+8x = 2x+11 23-11 = 2x-8x 12 = -6x /(-6) x = -2 spr. (-2)*2-(8)*(-2) = -4+16 = 12, P=L c) 8-3x-2[4-(x+5)]=3(x+1)-1 8-3x-2(4-x-5) = 3x+3-1 8-3x+2+2x = 3x+2 10-x = 3x+2 8 = 4x /4 2 = x spr. 4*2 = 8, P=L d) 1-2x-3[2x-(-5+x)]=x+4 1-2x-3(2x+5-x) = x+4 1-2x-3x-15 = x+4 -14-5x = x+4 -18 = 6x /6 x = -3 spr. -3*6 = -18, P=L
a) 2x-7-[3-2x-2(1-2x)]=x-11 2x-7-(3-2x-2+4x)=x-11 2x-7-(1+2x)=x-11 2x-7-1-2x=x-11 x=3 spr. L: 6-7-7=-8 P:3-11=-8 b) 10-[2(1-x)-3(2x+5)]=2(x+5)+1 10-(2-2x-6x-15)=2x+10+1 10-(-8x-13)=2x+11 10+8x+13=2x+11 6x=-12 x=-2 L:10-16+13=7 P:-4+11=7 c) 8-3x-2[4-(x+5)]=3(x+1)-1 8-3x-2(4-x-5)=3x+3-1 8-3x-2(-x-1)=3x+2 8-3x+2x+2=3x+2 -4x=-8 x=2 L:8-6+4+2=8 P:6+2=8 d) 1-2x-3[2x-(-5+x)]=x+4 1-2x-3(2x+5-x)=x+4 1-2x-3(x+5)=x+4 1-2x-3x-15=x+4 -6x=18 x=-3 L:1+6+9-15=1 P:-3+4=1
ROZWIAZ ROWANIA.ROZIWAZ ZE SPRAWDZENIEM(ROWNANIA) TAKI JAK NP. L=8-8=0 P=9-9=0 a) x/3-5/6=1/12-x/2 b) 7/9+x/2=3/2-x/18 c) x/2-3/4=7/8+x/4 d) x/9+1/2=5/4-x/6+1/12...
ROZWIAZ ROWANIA.ROZIWAZ ZE SPRAWDZENIEM(ROWNANIA) TAKI JAK NP. L=8-8=0 P=9-9=0 a) 0,7x-3+1,1x=-2,1x+0,6 b) 0,11x-0,08+0,4x=0,01x+0,2 c) -0,4+2x-2,1=0,3x-0,8 d) 0,06x-1+0,4x=0,27-0,04x...
