SOLUTION: I have the following problem: 3x5+4-2x2+6-4=15 I need to insert parentheses and grouping symbols to make this equation true. I have tried many different ways, and been una

Question 1063107: I have the following problem:
3x5+4-2x2+6-4=15
I need to insert parentheses and grouping symbols to make this equation true.
I have tried many different ways, and been unable to get it to be true.
Please help!!
Even my mom (a teacher) and my sister (in the 9th grade) have tried to help me and have been unable to solve this. We have tried bracketing the 3 and 5 together, and to find a way to get the rest to form zero, we have tried bracketing another way to keep an odd number, but have been unable to find a final combination of brackets to form 15.
Thanks.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!

How about this?

---
Check:
= 3x(9) - (2x(8)-4)
= 27 - (16 - 4)
= 27 - 12
= 15

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