Answer:
A
Step-by-step explanation:
You switch the y and x and solve for y.
y = 2x + 5
becomes
x = 2y + 5
Subtract 5 on both sides.
x - 5 = 2y
Divide 2 on both sides.
(x - 5) / 2 = y
Answer:
0
Step-by-step explanation:
9x+6=9x+6
-9x-6
0
Depends is the positive integer is larger than the negative interger for example -10+5=-5.
10+-4=6
Answer:
B
Step-by-step explanation: