luvarion luvarion
  • 26-06-2020
  • Mathematics
contestada

c) 2H - 3 = 9 d) 7C + 5 = 3C + 9

Respuesta :

nyzia
nyzia nyzia
  • 26-06-2020

Answer:

h =6

c =1

[tex]2h = 9 + 3 \\ 2h = 12 \\ 12 \div 2 = 6 \\ 7c + 5 - 3c = 9 \\ 4c + 5 = 9 \\ 4c = 9 - 5 \\ 4c = 4 \\ c = 4 \div 4 \\ c = 1[/tex]

Answer Link

Otras preguntas

batteries which normally sell for $1.89 a pack are on sale for $3.40 for two packs. approximately what percentage markdown does this represent per pack?
How many sides does a heptagon have
what is the least 10 digit whole number
the most serious problem with aggression
the production of what number and 7 is less than 49
Something a person must have in order to live is a
If f(x) = 6 – 5x and g(x) = 4x – 1, evaluate f(x) – g(x) for x = –2. A. –11 B. 7 C. 9 D. 25
One pump fills a tank in 20 hours and another in 15 hours. When a third pump is added the tank fills in 6 hours. Find out how long it takes the 3rd pump to fill
the sum of Rick's test score and 15is100.What was the Rick's score?
Given the information below, is triangle QRS similar to triangle UVT? If so, give the scale factor. QR= 8, RS= 16, UV= 18, VT= 34, Angle S = 36 degrees, and An