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8x+1-2x-\left(-7\right)
To find the opposite of 2x-7, find the opposite of each term.
8x+1-2x+7
The opposite of -7 is 7.
6x+1+7
Combine 8x and -2x to get 6x.
6x+8
Add 1 and 7 to get 8.
8x+1-2x-\left(-7\right)
To find the opposite of 2x-7, find the opposite of each term.
8x+1-2x+7
The opposite of -7 is 7.
6x+1+7
Combine 8x and -2x to get 6x.
6x+8
Add 1 and 7 to get 8.