rileyd23
rileyd23
12-09-2017
Mathematics
contestada
How do I solve this?
Respuesta :
kphung76127
kphung76127
12-09-2017
Distribute
x-4x+7= 5x-x-21
Combine like terms
-3x+7= 4x-21
Add 21 to both sides
-3x+28=4x
Add 3x to both sides
28=7x
Divide both sides by 7
4=x
Final answer: x=4
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