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-6x-28-\left(-6x\right)-\left(-30\right)
To find the opposite of -6x-30, find the opposite of each term.
-6x-28+6x-\left(-30\right)
The opposite of -6x is 6x.
-6x-28+6x+30
The opposite of -30 is 30.
-28+30
Combine -6x and 6x to get 0.
2
Add -28 and 30 to get 2.
2\left(-3x-14-3\left(-x-5\right)\right)
Factor out 2.
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