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4x - 2 = 9x + 18. Which number do you subtract from both sides, the 4x or the 9x? Explain why.
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45 votes
45 votes
4x - 2 = 9x + 18. Which number do you subtract from both sides, the 4x or the 9x? Explain why.

User Daoming Yang
by
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1 Answer

10 votes
10 votes
it doesn’t really matter which you subtract, both will give you the correct answer

if you subtract the 9x you will end
up with this
-5x-2=18
then isolate the variable by adding the -2 to
the other side
-5x=20
x=4
User Wyldsoul
by
3.3k points
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