mariahgbabygrooyn6i6 mariahgbabygrooyn6i6

14-09-2018
Mathematics

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choixongdong choixongdong

14-09-2018

8a - 15 + a = 6a - 42 + 15

7a - 15 = 6a - 27

7a - 6a = -27 + 15

a = - 12

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14-09-2018

the answer your asking for a = − 4

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