Rozwiąż równania .  8x + 5 = 7x  -x + 25 = 2x - 2 25m - 3  = 24m - 4 17y + 28 = 19y + 27 7n + 2 = 6n - 3 -9z - 7 = -z - 6 -s + 15 = 4s - 14 8k - 19 = -8k + 19  

a)8x+5=7x x=-5   b)-x+25=2x-2 -3x=-27 x=9   c)25m-3=24m-4 m=-1   d)17y+28=19y+27 1=2y y=0,5   e)7n+2=6n-3 n=-5   f)-9z-7=-x-6 -8z=1 z=-1/8=-0,125   g)-s+19=4s-14 33=5s s=33/5=5,6   h)8k-19=-8k+19 0=0

1.8x+5=7x 8x-7x=-5 x=-5 2.-x+25=2x-2 -x-2x=-2-25 -3x=-27 x=9 3.25m-3=24m-4 25m-24m=-4+3 m=-1 4.17y+28=19y+27 17y-19y=27-28 -2y=-1 y=0,5 5.7n+2=6n-3 7n-6n=-3-2 n=-5 6.-9z-7=-z-6 -9z+z=-6+7 -8z=1 z=-0,125 7.-s+15=4s-14 -s-4s=-14-15 -5s=-29 s=-5,6 8.8k-19=-8k+19 8k+8k=19+19 16k=38 k=2,375