1) -12z + 95 = -7z;
-12z + 7z = -95;
-5z = -95;
z = -95/-5;
z = 19
ответ: 19
2) 7n + 12 = 6n + 8;
7n - 6n = 8 - 12;
n = -4
ответ: -4
3) 25 = 5y - 5;
-5y = -5 - 25;
-5y = -30;
y = -30/-5;
y = 6
ответ: 6
4) 28 - 9m = -8 - 10m;
-9m + 10m = -8 - 28;
m = -36
ответ: -36
5) 15x - 12 = 8 - 5x;
15x + 5x = 8 + 12;
20x = 20;
x = 20/20;
x = 1
ответ: 1
-12z+95=-7z
-12z+7z=-95
-5z=-95
z=19
7n+12=6n+8
7n-6n=8-12
n=-4
28-9m=-8-10m
-9m+10m=-8-28
m=-36
1) -12z + 95 = -7z;
-12z + 7z = -95;
-5z = -95;
z = -95/-5;
z = 19
ответ: 19
2) 7n + 12 = 6n + 8;
7n - 6n = 8 - 12;
n = -4
ответ: -4
3) 25 = 5y - 5;
-5y = -5 - 25;
-5y = -30;
y = -30/-5;
y = 6
ответ: 6
4) 28 - 9m = -8 - 10m;
-9m + 10m = -8 - 28;
m = -36
ответ: -36
5) 15x - 12 = 8 - 5x;
15x + 5x = 8 + 12;
20x = 20;
x = 20/20;
x = 1
ответ: 1
-12z+95=-7z
-12z+7z=-95
-5z=-95
z=19
7n+12=6n+8
7n-6n=8-12
n=-4
28-9m=-8-10m
-9m+10m=-8-28
m=-36