Answer:
4 and -9
Explanation:
-3x+12=0
subtract 12 from both sides
-3x=-12
divide both sides by -3
x=4
-2(x+9)
distribute the -2 throughout
-2x-18=0
add 18 to both sides
-2x=18
divide both sides by -2
x= -9
-3x+12 = -3(x-4)
-2(x+9) = −2x−18
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