Answer is 7
Step by step explanation
3x+159=180
3x=180-159=21
x=7
Answer:
x=2
y=10.5
z=2.3
w=1.75
Step-by-step explanation:
both sides of each scale have the same weight attached to them so you just have to solve the following equasitions for each scale: 3x+1=7 2y+10=31 2z+2.2=6.7 4w+3/2=17/2
Two plus nine-teen is twenty one then you subtract seven from that and get fourteen. Your answer is 14 foot
Answer:
the answer is 16
Step-by-step explanation:
400 - 2 x Age = 244
-2*Age = -156
Age = 78 years