Determine the numerical value of the triangle:
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Determine the numerical value of the triangle:
To solve the problem , we will proceed as follows:
Thus, the value of the triangle, , is .
The correct answer from the provided choices is option
Add fifty units to the number 31.
What is the resulting number?
We need to isolate the triangle to find its value! When we have , we rearrange to get .
Use the opposite operation! Since we have subtraction in the original equation, we use addition to move terms. Think: what number plus 80 equals 88?
Always think about the original relationship: 88 minus something equals 80. So that something must be .
Yes! You can think of it as: 80 + what number = 88? Since , the triangle must equal 8.
The same principle applies! Whether it's or , always isolate the triangle using opposite operations.
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