Jennifer1090
5(x − 1) = 3(x + 2) − 7
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Romero
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Solve for x?
Jennifer1090
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yes :)
Romero
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Well first we have to distribute out what is in the parentheses. Can you do that? What are you left with?
Jennifer1090
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5x-5= 3x+6-7 right ?
Romero
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Yes good job!
Romero
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the right hand side can be simplified from\[5x-5= 3x+6-7 \]to \[5x-5= 3x-1 \]
Romero
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now we try to get all the x to one side and all the other numbers on the other sides let's keeps x on the left side so let's get rid of the -5 on the left side by adding 5 to both sides
Romero
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\[5x−5=3x−1\]\[5x−5+5=3x−1+5\]\[5x=3x+4\]subtract -3x to both sides to rid of the 3x on the right hand side.
\[5x=3x+4\]
\[5x-3x=3x-3x+4\]\[2x=4\]
Romero
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From where I left of, divide both sides by 2 and you get your answer
Romero
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What is x?
Jennifer1090
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thank you so much !
Romero
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Yup np