(12)-(-(-(8)))
2x+22^{x+2}2x+2 = 18.3
3x+13^{x+1}3x+1 = 8
5x5^{x}5x = 34
3x3^{x}3x = 23
x-x
4x4^{x}4x = 9
Four men and five women apply for two identical jobs. One man and one woman are twins. If the jobs are filled at random, find the ...
x3x^{3}x3+2 x2x^{2}x2+ 9x1x^{1}x1+18
15 minus n equals 83
