1) 2x + 43 = 4x + 65
2x – 4x = 65 – 43
-2x = 22
x = -11
2) 73 - 2x = 3x + 24
– 2x – 3x = 24 – 73
-5x = -49
x = 9.8
3) -a + 11 = 4a - 13
– a – 4a = – 13 – 11
-5a = -24
a = 4.8
4) 2k - 12 = 18 - 12k
2k + 12k = 18 + 12
14k = 30
7k = 15
k = 15/7
k = 2,14285714286
5) -13 + 7b = 13b - 7
7b – 13b = – 7 + 13
-6b = 6
b = -1
1) 2x + 43 = 4x + 65
2x – 4x = 65 – 43
-2x = 22
x = -11
2) 73 - 2x = 3x + 24
– 2x – 3x = 24 – 73
-5x = -49
x = 9.8
3) -a + 11 = 4a - 13
– a – 4a = – 13 – 11
-5a = -24
a = 4.8
4) 2k - 12 = 18 - 12k
2k + 12k = 18 + 12
14k = 30
7k = 15
k = 15/7
k = 2,14285714286
5) -13 + 7b = 13b - 7
7b – 13b = – 7 + 13
-6b = 6
b = -1