Determine the numerical value of the triangle:
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Determine the numerical value of the triangle:
To determine the value of the triangle, we will solve the equation .
Let's solve it step by step:
Therefore, the solution to the problem is .
Add fifty units to the number 31.
What is the resulting number?
Because we need to undo the addition! Since 41 is being added to the triangle, we subtract 41 from both sides to isolate the triangle symbol.
The triangle is just a placeholder for an unknown number. It works exactly like using x or any other variable in algebra!
Replace the triangle with your answer in the original equation. If , then your answer is correct!
Yes! For any equation like , subtract a from both sides to find the missing number: .
The process is the same! For , you still subtract 41 from both sides to get .
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