For eliminating you need to have a variable that cancels the other out and in this case 2x and -2x do. Then you want to take -3y+9y and add the numbers after the equal sign. -9+3
Answer:
A
Step-by-step explanation:
Compare the images to 90°, which is right angle, and forms an L. A is just past 90°, B is past 270°, and C is less than 90°.
Answer:
Step-by-step explanation: it is negative 42 it is just the opposite cause the thumbs is down negative up positive
Answer:
(6,2)
Step-by-step explanation:
all steps are shown and pictured
