How do you work out the size of angle x ?

Multiplying an even number of negative numbers gives an answer that is choose from:

What is another way to express 36 +32

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]