7х+12=10х-3;;;;; 33-5х=15-8х\; -24+3х=9х+18 -15х+31= -7+4х 11-х=55+х 28-4х=19-х...

Question

7х+12=10х-3;;;;;
33-5х=15-8х\;
-24+3х=9х+18

-15х+31= -7+4х
11-х=55+х
28-4х=19-х
-35-2х=42+9х




решите плиз

Answer 1

7х+12=10х-3
7х-10х=-3-12
-3х=-15
х=-18

33-5х=15-8х
-5х+8х=15-33
3х=-18
х=-6

-24+3х=9х+18
3х-9х=18+24
-6х=42
х=-7