1a: 13.5
1b: 26.5, 27.5
1c: 3.75, 3.85
1d: 18.15, 18.25
1e: 3.615, 3.625
2a: a) 3m-7=8 b) m=5
2b: q=5
2c: 26
2d: 40
3a: 4.3=w
4a: 11
4b: 6
4c: -6
4d: 4
5a: 5+5kn-5k-3n+6k²
5b: A) 2d+5f b) 8d+6f c) 13d+15f
1
1a: 13.5
1b: 26.5, 27.5
1c: 3.75, 3.85
1d: 18.15, 18.25
1e: 3.615, 3.625
2a: a) 3m-7=8 b) m=5
2b: q=5
2c: 26
2d: 40
3a: 4.3=w
4a: 11
4b: 6
4c: -6
4d: 4
5a: 5+5kn-5k-3n+6k²
5b: A) 2d+5f b) 8d+6f c) 13d+15f
