Select all equations that have one solution. A. x + x – ( x + x) = 2 x – x + 2
B. 3/4(4 x – 8) = 18
C. 2 x + 2 x + 2 = 4 x + 2
D. –3(– x – 2) = 3( x – 2)
E. 1/2( x) = x + 1/2
NEED HELP ASAP!! THANK YOU

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.