Answer:
x = 2
Step-by-step explanation:
12x + 3x + 15 = 45
12x + 3x = 15x
15x + 15 = 45
45 - 15 = 30
15x = 30
30 / 15 = 2
x = 2
Answer:
2
Step-by-step explanation:
(3+5)/2=4
8/2=4
which is true
Answer:
y=2x+3 is perpendicular. Just take away the negative
Step-by-step explanation:
M/c-3a+e/f=x I'm pretty sure