17-10-2020
Mathematics

contestada

X+7
——-=9
3
Can you explain step by step on how to solve this problem?

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18-10-2020

Answer:

w=−7

Step-by-step explanation:

34+21=−11(w+2)

55=−11(w+2)

-55/11 =w+2

−5=w+2

−5−2=w

−7=w

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