−3x + 6 = 5 | -6 (first step is: "subtract 6 from both sides" <span>)
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-3x = 5-6
-3x = -1 | /(-3) (second step is: "<span>divide by (-3) on both sides</span>" <span>)
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
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Answer:
Where's the rest of the question?
12/-30=8x
cross multiply
12x=-240
x=-20
The lines are parallel that mean that they both have a slope of 2