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Subjects>Math>Math & Arithmetic

How do you solve -21 equals 9a-15-3a?

Updated: 10/23/2022

Wiki User

∙ 12y ago

Best Answer

-21 = 9a - 15 - 3a

-6 = 6a

-1 = a

Wiki User

∙ 12y ago

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Solve a plus 9 equals 21?

A + 9 = 21 A = 21 - 9 A = 12

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-30x=6.3 x=-.21

Solve the equation x plus 13 equals -8?

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How do you solve 3x minus 6 equals 21?

3x-6 = 21 3x = 21+6 x = (21+6)/3 x = 9 You shouldn't ask us to solve your math homework.

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Solve a plus 9 equals 21?

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Which property of equality is used to solve the equation k - 21 equals -11?

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depends what 'a' =

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