2(3x+3)=3(2x+2)
multiply the first bracket by 2
(2)(3x)=6x
(2)(3)=6
multiply the second bracket by 3
(3)(2x)=6x
(3)(2)=6
6x+6=6x+6
move 6x to the left side
sign changes from +6x to -6x
6x-6x+6=6x-6x+6
0+6=0+6
6=6
Answer:
all real numbers
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