Operations on Numbers - Use of Letters in Mathematical Operations
MCQ
X - 25 = 75, so what is the value of x?
A
50
B
100
C
125
D
150
Explanation
Equation: x - 25 = 75 Here 25 is subtracted from x. According to the rules of mathematics, going beyond the right sign adds to the remainder. x = 75 + 25 x = 100 Check: If we subtract 25 from 100, the answer is 75, which is correct.