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Leonard did this work to solve an equation. Did he make an error?

Leonard did this work to solve an equation. Did he make an error?-example-1
User Superjer
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1 Answer

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Leonard made an error when he multiplied a negative by a negative and got a negative
It should look like this:
-20x + 35 + 8 = 3x
Hope this helps!
User Strickli
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