1)3(x-2)=x+2
3x – 6 = 1x + 2
3x – x = 2 + 6
2x = 8
x = 4
2)5-2(x-1)=4-x
5 – 2x + 2 = 4 – x
– 2x + x = 4 – 2 – 5
-x = -3
x = 3
3)(7x+1)-(9x+3)=5
7x + 1 – 9x – 3 = 5
7x – 9x = 5 + 3 – 1
-2x = 7
x = -3.5
4)3,4+2y=7(y-2,3)
3.4 + 2y = 7y – 16.1
2y – 7y = – 16,1 – 3,4
-5y = -19.5
y = 3.9
5)0,2(7-2y)=2,3-0,3(y-6)
1.4 – 0.4y = 2.3 – 0.3y + 1.8
– 0,4y + 0,3y = 1,8 + 2,3 – 1,4
-0.1y = 2.7
y = -27
1)3(x-2)=x+2
3x – 6 = 1x + 2
3x – x = 2 + 6
2x = 8
x = 4
2)5-2(x-1)=4-x
5 – 2x + 2 = 4 – x
– 2x + x = 4 – 2 – 5
-x = -3
x = 3
3)(7x+1)-(9x+3)=5
7x + 1 – 9x – 3 = 5
7x – 9x = 5 + 3 – 1
-2x = 7
x = -3.5
4)3,4+2y=7(y-2,3)
3.4 + 2y = 7y – 16.1
2y – 7y = – 16,1 – 3,4
-5y = -19.5
y = 3.9
5)0,2(7-2y)=2,3-0,3(y-6)
1.4 – 0.4y = 2.3 – 0.3y + 1.8
– 0,4y + 0,3y = 1,8 + 2,3 – 1,4
-0.1y = 2.7
y = -27