Answer:
Step-by-step explanation:
So step one
1. Master all the values
2. given the value 2x+ y=4
then
look at missing gap and it is in the area of y
so, 2x + y =4
2x -1 + y = 4
-2 +y = 4 (so in the next step the-2 will move
y =4 +2 to the right and then turn positive.)
y =2
So this is the first answer of the first gap
then
2x + y = 4
2 x 2 + y = 4
4 + y = 4 (So we use the same step as the one before and move 4 to
y = 4-4 the other side and then turn negative.)
y = 0
(we are going well and we are left with only one more)
2x + y = 4
2 x 4 + y =4
8 + y = 4 (you know what to do in the next step)
y = 4-8
y = -4
