а) 9х -14 = 7х -36
2х = 50
х = 25
б) 8 - 5n = 10 - 4n;
-2 = n
n = -2
в) 35 – 7х = 37 – 5х;
-2x = 2
x = -1
г) 28 - 9m = -8 - 10m;
m = -36
д) – 3х + 13 = - 15 -10х;
7х = 28
х=4
е)10z + 7 = 9z + 5;
Z = 5 -7
z=-2
ж) 25 - 12m = 45 – 8m;
4m = 20
m = 5
з) -9у+32=7у
- 16y = -32
y = 2
P.S ставьте ♥
а) 9х -14 = 7х -36
2х = 50
х = 25
б) 8 - 5n = 10 - 4n;
-2 = n
n = -2
в) 35 – 7х = 37 – 5х;
-2x = 2
x = -1
г) 28 - 9m = -8 - 10m;
m = -36
д) – 3х + 13 = - 15 -10х;
7х = 28
х=4
е)10z + 7 = 9z + 5;
Z = 5 -7
z=-2
ж) 25 - 12m = 45 – 8m;
4m = 20
m = 5
з) -9у+32=7у
- 16y = -32
y = 2
P.S ставьте ♥