51. Calculators are awesome by the way!
The sum of 17 and 6 is 23.
17
50-2 x10.5-6 plus 2.5 plus 2.5 is equal to 28.
17 plus 9 plus 6 plus 16 is a single number whose value is 38. The average of one number is itself.
45
5m + 7 - 2m - 1 = 3m + 6
28 + 6 = 34.
3 + 6 + 9 + 22 + 28 + 1 + 6 + 5 = 80
17 + 6 + m
17 + 6 = 23
2x must equal 12 so x is 6.
X= -2 ! Since the equation must equal zero - 17+3x must equal 11. The variable 3x HAS to equal -6... therefore x is equal to minus 2.