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a) 3x + 6 = 0
b) - 4x + 2 = 9
c) 6x + 1 = 4x – 11
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EPHTAMINA890

3x+6=0

3x=0-6

3x=-6

3x/3=-6/3

X=-2

-4x+2=9

-4x=9-2

-4x=7

-4x/-4=-7/4

X=-1,75

6x+1=4x-11

6x-4x=-11-1

2x=-12

2x/2=-12/2

X=-6