MerccyMovinn MerccyMovinn

04-06-2021
Mathematics

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I NEED HELP ASAP AND PLEASE GIVE A STEP BY STEP FOR THE EXPLANATION WORTH 15 points

I NEED HELP ASAP AND PLEASE GIVE A STEP BY STEP FOR THE EXPLANATION WORTH 15 points class=

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eltimards eltimards

04-06-2021

Answer:

Step-by-step explanation:

the second one , why? because 7a-12a=-5a

4 - 8 = -4

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Question down below. Pls have an explanation its optional tho