Answer:
B and E
Step-by-step explanation:
A. 8x = 2
8(4) = 2
32 = 2
B. 19 + x = 23
19 + 4 = 23
23 = 23
C. 40/x = 5
40/4 = 5
10 = 5
D. -3x = 12
-3(4) = 12
-12 = 12
E. x - x - x - x = -8
4 - 4 - 4 - 4 = -8
0 - 4 - 4 = -8
-4 - 4 = -8
-4 + (-4) = -8
-8 = -8
x=0
y=-2
You'd put them in an ordered point, so (0,-2).
7x-7-2x-2+3x-12=8x-21
I think
Answer:
$27
Step-by-step explanation:
18 times $1.50 = 27 dollars a year
Answer:
Three acute angles.
Explanation:
There are always three acute angles in an acute triangle.
