1.
-7х=-35
х=5.
2.
5х=45
х=9
3.6-у=9у-24
-10у=-30
у=3.
1.-2x+19=5x-16
-2х-5x=-16-19
-7x=-35
x=-35/(-7)
x=5
2. 8x-25=3x+20
8x-3x=20+25
5x=45
x=9
3. 6-y=3(3y-8)
6-y=9y-24
-y-9y=-24-6
-10y=-30
y=3
1.
-7х=-35
х=5.
2.
5х=45
х=9
3.6-у=9у-24
-10у=-30
у=3.
1.-2x+19=5x-16
-2х-5x=-16-19
-7x=-35
x=-35/(-7)
x=5
2. 8x-25=3x+20
8x-3x=20+25
5x=45
x=9
3. 6-y=3(3y-8)
6-y=9y-24
-y-9y=-24-6
-10y=-30
y=3