Answer:
The number is 43
Step-by-step explanation:
The difference between 131 and 2x (I'm rewriting it algebraically) is 45. So we need to find x. We do that by doing this equation
131 - 45 = 86
So since 86 is what 2x equals, we divide it by 2 to get x
86 ÷ 2 = 43
So x = 43
