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10-05-2016
Mathematics

contestada

What is the solution of the equation 9 = -2x + 15?
-21
-12
3
12

Respuesta :

current current

10-05-2016

The answer is 3
shift 15 to LHS
9-15=-2x
-6=-2x
-6/-2=x
3=x

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cookie143 cookie143

10-05-2016

9=-2x+15
9-15=-2x+15-15
-6=-2x
-6/-2=-2x/-2
3=x

Answer Link

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