Step-by-step explanation:
Remember that the sum of angles on a straight line are supplementary. (180°)
Therefore 3x + 2 + 6x - 20 = 180.
=> 9x - 18 = 180
=> 9x = 198
=> x = 22.
Answer:
Answer:
x=−24
Step-by-step explanation:
the only variable is x and -24 is the value of this variable
Answer:
it could be that x is 4 and y 3
Step-by-step explanation:
Step-by-step explanation:
By pressing the button that looks like this