Rozwiąż równania: 2a-3=a+1 4b+3=3b-4 7+3c=-5+2c 5d+2=3d 6e-2=7e+5 6f-1=f+2 Proszę, to dla mnie ważne ;)

a-3=a+1 a+a=1+3 2a=4 /:2 a=2 4b+3=3b-4 4b-3b=-4-3 b=-7 7+3c=-5+2c 3c-2c=-5-7 c=-12 5d+2=3d 5d-3d=-2 2d=-2 /:2 d=-1 6e-2=7e+5 6e-7e=5+2 -e=7 /: (-1) e=-7 6f-1=f+2 6f-f=2+1 5f=3 /:5 f=⁵/₇

2a-3=a+1 2a-a=1+3 a=4 4b+3=3b-4 4b-3b=-4-3 b=-7 7+3c=-5+2c 3c-2c=-5-7 c=-12 5d+2=3d 5d-3d=-2 2d=-2 /:2 d=-1 6e-2=7e+5 6e-7e=5+2 -e=7 /:(-1) e=-7 6f-1=f+2 6f-f=2+1 5f=3 /:5 f=⅗=0,6

2a-3=a+1 2a-a=1+3 a=4 4b+3=3b-4 4b-3b=-4-3 b=-7 7+3c=-5+2c 3c-2c=-5-7 c=-12 5d+2=3d 5b-3b=-2 2b=-2 I:2 b=-1 6e-2=7e+5 6e-7e=5+2 -e=7 I:(-1) e=-7 6f-1=f+2 6f-f=2+1 5f=3 I:5 f=⅗