Question

Add the following like terms: 13 x,-27 x and -39 x.
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Answer 1

Answer:

39

Step-by-step explanation:

because first add negative no. and subtract the positive no.

Answer 2

Step-by-step explanation:

13X,-25X,-39X

addition

13X-25X-39X=X(13-25-39)=X(-51)=-51X