Double1
Double1
09-08-2015
Mathematics
contestada
what is the value of x when 2x+3=3x-4
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Benjamin16
Benjamin16
09-08-2015
[tex]2x+3=3x-4 \ \ \ |-3x \ \wedge \ -3 \\ \\ -x=-7 \\ \\ x=7[/tex]
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apologiabiology
apologiabiology
10-08-2015
2x+3=3x-4
try to isolate the x term
you must do the same thing to both sides or else it won't be equal anymore
2x+3=3x-4
add 4 to both sides
2x+3+4=3x+4-4
2x+7=3x+0
subtract 2x from both sides
2x-2x+7=3x-2x
0+7=x
7=x
the answer is x=7
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