Step 1. Multiply first equation with -3 and the second one with 2. You'll get:

Step 2. Add both equations together. You'll get:

, which gives x = -2
Step 3. Replace x = -2 in the first equation and calculate y.

The solution is: x=-2, y=5
Answer:
A , B , C
Step-by-step explanation:
1) find the slope of the given line
slope = (-a/b) = (-8/4) = -2
two parallel lines have the same slope
A : correct
B : (-a/b) = -16/8 = -2 (correct)
C : correct
D : wrong (2 is different from -2)
Answer:
xnone=
Step-by-step explanation:
5X+3x-15=6x+2x-15
8x-15=8x+15
-15=15
Answer:
i dont know sorry.
Step-by-step explanation:
Do it yourself ;)
Answer:
6√x
Step-by-step explanation:
9√x - 3√x = 6√x