The expression 79-x cannot be further simplified.
It is 21 minus 100 = -79
79 - 39 = 40
59.99600
It is: 79 minus 45 = 34
597
79
377
493,039
100 divided by 5 multiplied by 4 minus 79 is 1.
79, -79
negative 79.
158 = x * 79 158 / 79 = x 2 = x 158 is 200% of 79 ■