Answer: x=68/11 and y=-72/11
Steps:
2(x+4y=-20)
2x+8y=-40
2x - 3y = 32
- 2x + 8y = -40
-11y=72
y=-72/11
x + 4(-72/11) = -20
x - 288/11 = -20
x=68/11
Step-by-step explanation:
the solution area :
-2x - 2y > 4
so,
x + y < -2
Answer:6 √ 7
Step-by-step explanation:
He used it in step 3. The Addition Property of Equality states that whatever you add to one side, you must add the same quantity to the other side. In this case, he added 1/4 to both sides.
