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What is 19-3x=21+x and how do i show my work
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What is 19-3x=21+x and how do i show my work

User Jaeyoung
by
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2 Answers

6 votes
19-3x=21+x
Add 3x to both sides.
19-3x+3x=21=x+3x
19=21+4x
Subtract 21 from both sides.
19-21=21+4x-21
-2=4x
Divide both sides by 4.
-1/2=x

Hope this hleped!

User Artaxerxe
by
6.4k points
5 votes
Subtract 19 from both sides
-3x=2+x

Subtract x from both sides
-4x=2

Divide both sides by -4
x=-1/2

Final answer: x=-1/2
User Carl Sagan
by
7.2k points
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