Seudónimo
Seudónimo
02-10-2017
Mathematics
contestada
Solve x + 9 = 18 - 2x
Respuesta :
woodcaleigh26
woodcaleigh26
02-10-2017
Add 2x to both sides,
3x+9=18
Subtract 9 from both sides. 3x=9
Divide both sides by 3.
x=3
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