10-7x=7-x
– 7x + x = 7 – 10
-6x = -3
x = 0.5
t+6,8=9t+10
t – 9t = 10 – 6,8
-8t = 3.2
t = -0.4
1+2,6z=6+3z
2,6z – 3z = 6 – 1
-0.4z = 5
z = -12.5
10-7x=7-x
– 7x + x = 7 – 10
-6x = -3
x = 0.5
t+6,8=9t+10
t – 9t = 10 – 6,8
-8t = 3.2
t = -0.4
1+2,6z=6+3z
2,6z – 3z = 6 – 1
-0.4z = 5
z = -12.5