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13-09-2016
Mathematics

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how do you solve addition and subtraction equations

how do you solve addition and subtraction equations class=

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13-09-2016

16=h+6
6 6
______
10=H

B-4=9
4 4
______
B=13

If the problem is add you subtract and if the problem is subtract you add. And to check your answer you just solve the it example: 13-4=9

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