Simplify the expression.
15x − 3y − 8
w+2x=16 ⇒ w=16-2x
x+2w=14 x+2(16-2x)=14
x+32-4x=14
-3x=14-32
-3x=-18 /:(-3)
x=6
w=16-2x=16-2·6=16-12=4
2y+w=-6 ⇒ 2y+4=-6
2y=-6-4
2y=-10 /:2
y=-5
Answer:
The comparision of an unknown physical quantity with a known standard quantity is measurement
r=5
Step-by-step explanation:
5x5x5=125