Determine the numerical value of the triangle:
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Determine the numerical value of the triangle:
To solve this problem, we need to find the value represented by the triangle symbol in the equation . This involves a straightforward algebraic process.
First, we want to isolate the triangle by removing the 25 that is added to it. To do this, we will subtract 25 from both sides of the equation:
Simplifying both sides, we have:
Therefore, the value of the triangle is .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
We subtract from both sides to keep the equation balanced! Whatever you do to one side, you must do to the other side to maintain equality.
The triangle is just a placeholder for an unknown number, like using x or n. It represents the value we need to find.
Yes, but algebraic methods are faster and more reliable! Guessing works for simple problems, but systematic solving helps you tackle harder equations.
Negative answers are perfectly valid! Always check by substituting back into the original equation to verify your solution is correct.
Yes! Use the opposite operation to isolate the variable. If there's addition, subtract. If there's multiplication, divide. This is called using inverse operations.
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