1) 6х=28-х
6x + x = 28
7x = 28
x = 4
2) 9х-26=30-5х
9x + 5x = 30 + 26
14x = 56
3) 5(х-4)=х+8
5x – 20 = 1x + 8
5x – x = 8 + 20
4x = 28
x = 7
4) 9-7(х+3)=5-6х
9 – 7x – 21 = 5 – 6x
– 7x + 6x = 5 + 21 – 9
-x = 17
x = -17
5) (7х+9) - (11х-7)=8
7x + 9 – 11x + 7 = 8
7x – 11x = 8 – 7 – 9
-4x = -8
x = 2
6) 3,6+5у=7(1,2-у)
3.6 + 5y = 8.4 – 7y
5y + 7y = 8,4 – 3,6
12y = 4.8
y = 0.4
1) 6х=28-х
6x + x = 28
7x = 28
x = 4
2) 9х-26=30-5х
9x + 5x = 30 + 26
14x = 56
x = 4
3) 5(х-4)=х+8
5x – 20 = 1x + 8
5x – x = 8 + 20
4x = 28
x = 7
4) 9-7(х+3)=5-6х
9 – 7x – 21 = 5 – 6x
– 7x + 6x = 5 + 21 – 9
-x = 17
x = -17
5) (7х+9) - (11х-7)=8
7x + 9 – 11x + 7 = 8
7x – 11x = 8 – 7 – 9
-4x = -8
x = 2
6) 3,6+5у=7(1,2-у)
3.6 + 5y = 8.4 – 7y
5y + 7y = 8,4 – 3,6
12y = 4.8
y = 0.4