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D(-1,-1), E(-8,-4), F(-8,-8)
I have no idea I’m doing the same thing rn but good luck bro bro
The answer is 14x.
You always have to do whats in the parenthesis first. In this case you would do 7 + x = 7x. Then, you add this 7x to the other 7 x. 7x+7x=14x.
