Using the integers 1 to 9 at most one time each, fill in the boxes twice __ __ +x = __ __: once to make a positive solution and once to make a negative solution. You may reuse all the digits for each solution. Your solutions should be displayed both numerically and graphically.
Added by Bryan L.
Step 1
First, we need to find two 2-digit numbers whose difference is a 2-digit number. We can start by trying the largest and smallest 2-digit numbers we can make using the integers 1 to 9. Show more…
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Using the digits 0-9, fill in each blank to create two different equations where the solution is x=1. You may use the digits more than once.
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