Barbie2003 Barbie2003

19-09-2016
Mathematics

contestada

what is the answer to -0.3x 2=0.4x-0.1

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apologiabiology apologiabiology

20-09-2016

that blank is a plus sign

ok so rememmber you can do anythiing to an equation as long as you do it to both sides

-0.3x+2=0.4x-0.1
add 0.3x to both sides
2=0.7x-0.1
add 0.1 to both sides
2.1=0.7x
times 7 both sides
21=7x
divide both sides by 7
3=x

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