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Help me plzzzzzzz i will give u 50 points

Help me plzzzzzzz i will give u 50 points-example-1
User Xuchunyang
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1 Answer

2 votes

Balanced means both sides are equal.

Add the left side: there are 7 1's which equal 7

Adding the right side you have 2 + r

They have to equal each other so the equation is 7 = 2 + r

User Guzmonne
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