Question

1) 3*(-х)+51=6 -12 2)-3х-21=81-84

Answer 1

1)-3Х+51=6

-3Х=-45

Х=15

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2) -3Х-21=-3

   -3Х=18

     Х= -6

Answer 2

1) -3х+51 = 6

-3х = -45

х = 15

2) -3х-21 = 81-84

-3х = -3+21

-3х = 18

х = -6