Open Middle®
Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make a true equation where x has the greatest possible value.
Hint
How do the constants’ values affect the variable’s value?
Which constant should have a greater value?
Which constant should have a lesser value?
Which constant should have a greater value?
Which constant should have a lesser value?
Answer
The greatest possible value of x is 85 when 12 + x = 97
Source: Robert Kaplinsky
The greatest value of x is 85 when 12+x =97
Nice Talayla!
85 + 12 = 97, x = 85