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7x-9x=-36 can someone explain how to get the answer for x also my teacher said that x has to be the same number on both sides ​
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7x-9x=-36

can someone explain how to get the answer for x also my teacher said that x has to be the same number on both sides ​

User Viktor Kukurba
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1 Answer

2 votes

Answer:

x=-18

Explanation:

combine like terms: 7x-9x=-36 --> -2x=36

divide: x=-18

User Oswin
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