20 PUNKTOW ! DAM NAJ Matma help !Dam naj i 5 gwiazdek!!!!!!!!!! 3( x-4 ) = 8x - 7 6 ( x-3) = 8 (2x-4 ) 4x+2 = 8x-7 2x-4 = 10 (x-2) x+x+1/2=30 x+10x+1=20+3 5 ( x-3) = 10 ( x-3 ) DAM NAJA ZA TO

a)3x-12=8x-7 3x+8x=-7+12 11x=5÷11 x-2.2 b) 6x-18=16x-32 6x-16x=-32+18 -10x=-24÷(-10) x=2.4 c)4x+2=8x-7 4x-8x=-7-2 -4x=-9÷4 x=2.25 d)2x-4=10(x-2) 2x-4=20x-20 2x-20x=-20+4 -18x=-16÷(-18) x=0,8 e)x+10x+1=20+3 11x=20+3-1 11x=22 x=2 f)15x-15=10x-30 15x-10x=-30+15 5x=-15÷5 x=-5 6(-1)-2(-2)+1 -6-4+1=9

20 PUNKTOW ! DAM NAJ Matma help !Dam naj i 5 gwiazdek!!!!!!!!!! 3( x-4 ) = 8x - 7 6 ( x-3) = 8 (2x-4 ) 4x+2 = 8x-7 2x-4 = 10 (x-2) x+x+1/2=30 x+10x+1=20+3 5 ( x-3) = 10 ( x-3 ) DAM NAJA ZA TO

20 PUNKTOW ! DAM NAJ Matma help !Dam naj i 5 gwiazdek!!!!!!!!!! 3( x-4 ) = 8x - 7 6 ( x-3) = 8 (2x-4 ) 4x+2 = 8x-7 2x-4 = 10 (x-2) x+x+1/2=30 x+10x+1=20+3 5 ( x-3) = 10 ( x-3 ) DAM NAJA ZA TO...

20 PUNKTOW ! DAM NAJ Matma help !Dam naj i 5 gwiazdek!!!!!!!!!! 3( x-4 ) = 8x - 7 6 ( x-3) = 8 (2x-4 ) 4x+2 = 8x-7 2x-4 = 10 (x-2) x+x+1/2=30 x+10x+1=20+3 5 ( x-3) = 10 ( x-3 ) DAM NAJA ZA TO

20 PUNKTOW ! DAM NAJ Matma help !Dam naj i 5 gwiazdek!!!!!!!!!! 3( x-4 ) = 8x - 7 6 ( x-3) = 8 (2x-4 ) 4x+2 = 8x-7 2x-4 = 10 (x-2) x+x+1/2=30 x+10x+1=20+3 5 ( x-3) = 10 ( x-3 ) DAM NAJA ZA TO...