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Check your input on the calculator display to ensure that it's correct Once you've entered your calculation, click the "Equals" button to get the answer The calculator will display the result of your calculation on the screen If you need to perform another calculation, simply enter the new numbers and operators and click "Equals" again
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Use numbers, plus + and minus - You can also group integer addition and subtraction in parentheses ( ) and the calculator will solve the equation While decimal numbers are not integers we allow decimal inputs in this calculator because of feedback we received from our users
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- Solved: + + =21 + + =19 + + =15 + × =? [Math]
2 Solve the first equation to find the value of A Since A + A + A = 21, A = 7 3 Solve the second equation to find the value of B Since B + B + A = 19, B = 6 4 Solve the third equation to find the value of C Since C + C + A = 15, C = 4 5 Apply the last operation: A + C × B Substitute the values: 7 + 4 × 6
- Solved 21 -19 15 | Chegg. com
View the full answer Previous question Next question Transcribed image text: 21 -19 15
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