SOLUTION: how to do: 7x + 9 - 2x = -1

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Question 1144199: how to do: 7x + 9 - 2x = -1
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52817)   (Show Source): You can put this solution on YOUR website!
.

7x + 9 - 2x = -1


First step, subtract 9 from both sides. You will get


7x + 9 - 9 - 2x = -1 -9


Next step, combine like terms in each side.   You will get


5x = - 10.


Final step, divide both sides by 5.  You will get


x =  = -2.


ANSWER.  x= -2.

Solved.

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On solving single linear equations in one unknown see the lesson
    - HOW TO solve a linear equation
in this site.



Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
how to do: 7x + 9 - 2x = -1
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Step 1, say what you want to do.
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