Answer:
-14
Step-by-step explanation:
4*(2x - 11) + 15 = 21
8x - 44 +15 = 21
8x = 21 + 44 - 15
8x = 50
x = 50 : 8
x = 6.25 or 25/4
Answer: 7
Step by Step explanation:
y= -2/5x+6.2
that should be the correct answer
the first two answers are perpendicular