Seudónimo
Seudónimo
02-12-2016
Mathematics
contestada
-2+x=-x+2 i cant find x
Respuesta :
apologiabiology
apologiabiology
02-12-2016
add x to both sides
-2+2x=2
add 2 to both sides
2x=4
divide both sides by 2
x=2
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