nickbell3228
nickbell3228
27-03-2017
Mathematics
contestada
y + 4x = 8 and 5x + 2y = 13
Respuesta :
MikeCanDream
MikeCanDream
27-03-2017
y + 4x = 8
y = 8 - 4x
substitute 8 - 4x for y in the other equation.
5x + 2(8 - 4x) = 13
5x + 16 - 8x = 13
-3x = -3
x = 1
y = 8 - 4(1) = 4
Answer Link
VER TODAS LAS RESPUESTAS ( 19+ )
Otras preguntas
What is 305/1000 simplified?
express 602 * 10 ^21 in standard scientific notation
solve each equations check your answer. 0.6v+2.1=4.5 and v=
What are the properties of 93+(68+7)
What is 100,000 in words
How do metalloids affect modern technology?
Is 12 a natural, rational, or integ er number
if gas in a sealed container has a pressure of 50kpa at 300k what will the pressure be if the tempature rises to 360k
Jim has three times as many comic books as Charles. Charles has 2/3 as many books as Bob. Bob has 27 books. How many comic books does Jim have?
204 thousands equals? What?
