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in the second line on the distributive property is wrong it has to be
-3x+12=6x-9=12
Hey there!!
3 ( x - 6 ) + 15 = 4 ( x - 1 ) + 4
3x - 18 + 15 = 4x - 4 + 4
3x - 3 = 4x
- 3 = x
x = -3
The mistake is , you have written -4 + 4 = 8
- 4 + 4 = 0
and - 18 + 15 = - 3 ( not - 33 )
correct it, you will get it
Hope helps!
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