adhdj13 adhdj13

16-03-2017
Mathematics

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8x - 2 - 7 x = -9 what is the answer

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taygirl031 taygirl031

16-03-2017

8x - 2 -7
x = -9
8(-9) - 2 - 7
-72 - 2 -7
-72 - 9
-81 is the answer

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16-03-2017

8x-2-7 is the equation. If x= 9, then just substitute x for 9. Like this:

72-2-7

So the answer is 63

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