Question

12-×=2(×-2)+×
12(×-1)=3(2×+1)+9​

Answer 1

Resposta:

Explicação passo a passo:

12-×=2(×-2)+×

12 - x = 2x - 4 + x

-x - 2x - x = -4 - 12

-4x = -16 (-)

x = 16/4

x = 4

12(×-1)=3(2×+1)+9​

12x - 12 = 6x + 3 + 9

12x - 6x = 12 + 12

6x = 24

x = 24/6

x = 4

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