tcuff2002
tcuff2002
26-01-2017
Mathematics
contestada
5x+y=27 y=4x using substitution method
Respuesta :
LukesTuke
LukesTuke
26-01-2017
5x + y = 27
substitute: 5x + 4x = 27
combine: 9x = 27
divide (by 9): x = 3
Answer Link
Apocrophon
Apocrophon
26-01-2017
Substitute 4x for y, and solve for x;
5x + (4x) = 27
9x = 27
x = 3
Substitute 3 in for x in the first equation and solve for y;
5(3) + y = 27
15 + y = 27
y = 12
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
Need help anyone know
I write extensively on centralization and decentralisation S
How did the growth of the film industry in the 1930s and 1940s affect the dance world?
Extrinsic motivation always undermines intrinsic motivation.a. Trueb. False
Preliminary site work involves testing the soil for quality and: a) Potency b) Ice content c) Porosity d) Load-bearing capacity
A graduated cylinder is partially filled with water with a measured volume of 11.33 mL. A sphere of lead (density = 11.34 g/mL) and a sphere of platinum (densit
What determines the nature of the path followed by the particle?A) SpeedB) VelocityC) AccelerationD) Both (b) and (c)
As a planner for a non-governmental organization, you recently undertook a beneficiary assessment. Your supervisor has asked for an explanation for why you chos
A child is 12 years old, and his father is 32 years older. In how many years will the age of the father be 3 times the age of the child?
Which of the numbers given are rational? Select all that apply: a) 19.891317... b) 18.441649... c) √16 d) 15.567 e) 27.20058
