# -2 times the difference of a number and 6 is 18?

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- LônLv 72 months ago
Let the number be a.

-2( a - 6) = 18

-2a + 12 = 18

-2a = 18 - 12

a = 6/-2

a = - 3

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- MichaelLv 72 months ago
-2(n - 6) = 18

Divide both sides by -2

n - 6 = -9

add 6 to both sides

n = -3 <––––

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