Answer:it doesnt always have to be a number
Step-by-step explanation: for example you could have x^3/x^2 and then that would be just x
Answer:
b. 0.50x+15=25
so the answer is 20
x + y = 98
x - y = 22
2x = 120
x = 60
x + 60 = 98
x = 38
the answer is b
75
Step-by-step explanation:
Let n be the unknown number