Answered

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which expression is equivalent to 3x - -3y

Sagot :

TheAppleOfMyEye

Answer:

3x + 3y

Step-by-step explanation:

The two minus signs make a plus sign. Therefore, we replace the minus signs with a plus sign, getting 3x + 3y.
3x+3y
The two minus signs cancel each out and you add it instead.
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