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3 years ago

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

2 answers:

6 0

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!

irga5000 [103]3 years ago

4 0

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

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