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In the context of addition, the number that equals 15 can be expressed as a sum of two addends. Therefore, the equation can be written as x + y = 15, where x and y are the two addends. To find the specific values of x and y that satisfy this equation, one must consider all possible combinations of numbers that add up to 15, such as 7 + 8, 6 + 9, or any other pair of numbers that sum to 15.
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What addition problems equals 15?
10 + 5
Why can you use addition to check your subtraction?
Addition is the opposite of subtraction. For example, 24 - 9 = 15. If you want to check your answer, add 9 + 15. It equals 24, so your answer is correct.
What is 15 to the power of 2 equals?
15 to the 2nd power or 15 squared equals 15 * 15 which equals 225.
What equals 35 in addition?
15+20
What times itself equals 225?
15 times 15 equals 225.
Is 7 plus 15 equals 15 plus 7 a commutative addition or associative addition problem?
15 -7 = 8
What addition problems equals 15?
10 + 5
What addition problems equals the sum of 17?
15+2
What is the fact family for 8 plus 7 equals 15?
This is the identity property of addition.
Why can you use addition to check your subtraction?
Addition is the opposite of subtraction. For example, 24 - 9 = 15. If you want to check your answer, add 9 + 15. It equals 24, so your answer is correct.
Use addition or substitution to find the value of x for this set of equations for x - y equals 120 x plus y equals 150?
X = 135 and y = 15 Solved by addition and substitution
9 plus 7 equals?
yes addition is commutative so is multiplication but not subtraction
123 plus 54 equals 15 71 plus 2 equals 10 33 plus 77 equals?
The answer is 20. In each addition, the individual digits are added together (1+2+3+5+4 = 15)
What is 15 to the power of 2 equals?
15 to the 2nd power or 15 squared equals 15 * 15 which equals 225.
15 increase by a number equals 27 what is answer?
The word increase means the problem is addition: 15 + x = 27. Reorder the problem so that it is subtraction: 27 - 15 = x and solve for x. X = 12.
What equals 35 in addition?
15+20
What is true 15 plus 0 equals 0 15-0 equals 0 15 percent 0 equals 0 0 percent 15 equals 0?
15 percent 0 equals 0; 0 percent 15 equals 0. Both the above are true
