2x + 7 = 1x + 5.5
2x – x = 5,5 – 7
x = -1.5
9.5x + 2 = 5.7x – 5.6
9,5x – 5,7x = – 5,6 – 2
3.8x = -7.6
x = -2
2.9x + 7.4 = x + 1.7
2,9x – x = 1,7 – 7,4
1.9x = -5.7
x = -3
13-(2x-5)=x-3
13 – 2x + 5 = 1x – 3
– 2x – x = – 3 – 5 – 13
-3x = -21
x = 7
26-(17-2x)=5x
26 – 17 + 2x = 5x
2x – 5x = 17 – 26
-3x = -9
x = 3
2x + 7 = 1x + 5.5
2x – x = 5,5 – 7
x = -1.5
9.5x + 2 = 5.7x – 5.6
9,5x – 5,7x = – 5,6 – 2
3.8x = -7.6
x = -2
2.9x + 7.4 = x + 1.7
2,9x – x = 1,7 – 7,4
1.9x = -5.7
x = -3
13-(2x-5)=x-3
13 – 2x + 5 = 1x – 3
– 2x – x = – 3 – 5 – 13
-3x = -21
x = 7
26-(17-2x)=5x
26 – 17 + 2x = 5x
2x – 5x = 17 – 26
-3x = -9
x = 3