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13-10-2021
Mathematics

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− 8 ⋅ x − 8 = 9 ⋅ ( x + 2 ) − 128

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Аноним Аноним

13-10-2021

Answer: 6

Step-by-step explanation:

GIVEN

-8x - 8 = 9(x+2) - 128

DISTRIBUTE

-8x - 8 = 9x + 18 - 128

COMBINE LIKE TERMS

-8x - 8 = 9x - 110

SUBTRACT 9x FROM BOTH SIDES

-17x - 8 = -110

ADD 8 TO BOTH SIDES

-17x = -102

DIVIDE BOTH SIDES BY -17

x = 6

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