beardorado13
beardorado13
24-09-2017
Mathematics
contestada
how to solve 2x+3y=9 and -4x-6y=-18
Respuesta :
Catya
Catya
24-09-2017
multiply the first equation by 2, then add it to the second equation.
2(2x+3y) = 2(9)
4x + 6y = 18
+-4x -6y = -18
----------------------
0 + 0 = 0
the equations describe the same line. infinite number of solutions
Answer Link
VER TODAS LAS RESPUESTAS ( 82+ )
Otras preguntas
is flower color a charecteristics or a traits
what are the characteristics of the graph of the inequality y>-3/5x+5
Explain Newton's third law in your own words.
Simplify the following expressionx - 4y + 5z - 3x - y + 2z = ?.
Why do venus fly traps have lysosomes?
what contrasts of sound did composers stress?
What is the movement of water through the environment known as
√64/25 how u solve this step by step
Which equation to solve the problemIt takes Zane m minutes to clean his room. This is 35 minutes more that the 22 minutes it takes to walk the dog. How long d
is flower color a charecteristics or a traits
