x+y=5
-x -x
Equals:
y=-x+5
Now you have:
y=-x+5
x-y=1
Insert -x+5 into y
x-x+5=1
Combine like terms
2x+5=1
Subtract 5.
2x=-4
Divide 2.
Answer: x=-2
67 thatcher and a few others in a
Answer:
w=8/3
Step-by-step explanation:
w+2/3-2/3=10/3-2/3
Answer:
We have: 2x+7y=−1
Let’s express this equation in terms of y:
⇒y=−27x−17
⇒ Gradient =−27
Parallel lines always have the same gradient:
⇒ Gradient of parallel lines =−27
Perpendicular lines have the negative reciprocal of the gradient:
⇒ Gradient of perpendicular lines =72
Step-by-step explanation:hope it helps
Answer: A
Step-by-step explanation: :D
