Seudónimo
Seudónimo
24-09-2015
Mathematics
contestada
3x--19=11 please answer soon
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KeaneNR
KeaneNR
24-09-2015
When you subtract a negative it is same as just adding the number so 3x--19=3x+19
You now have 3x+19=11
Subtract both sides by 19 and you get 3x=-8
Divide by 3 and you get x=-8/3 which is -2 and 5/3 or -2.667
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