17n-11n-2n=511
17n – 11n – 2n = 511
4n = 511
n = 127.75
23a-8a-13a=33
23a – 8a – 13a = 33
2a = 33
a = 16.5
4x + 6x – 1x = 21
4x + 6x – x = 21
9x = 21
3x = 7
x = 7/3
х=2,33333333333
67y – 1y + 3y = 61.2
67y – y + 3y = 61,2
69y = 61.2
690y = 612
115y = 102
y = 102/115
у=0,88695652173
17n-11n-2n=511
17n – 11n – 2n = 511
4n = 511
n = 127.75
23a-8a-13a=33
23a – 8a – 13a = 33
2a = 33
a = 16.5
4x + 6x – 1x = 21
4x + 6x – x = 21
9x = 21
3x = 7
x = 7/3
х=2,33333333333
67y – 1y + 3y = 61.2
67y – y + 3y = 61,2
69y = 61.2
690y = 612
115y = 102
y = 102/115
у=0,88695652173