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 ( 33+ )
Otras preguntas
Please explain. A certain calling card gives you the following rate to call Malaysia. There is a connection fee of $0.39 which allows you to connect for up to
What is the difference between pseudoscorpion and real scorpions
What is the most abundant gas in the universe?
Which number is larger 0.95 or 0.59
Who urged her husband to "remember the ladies"? Why did she say this ?
The model A CDs burner burns 60 minutes of data in about 1.15 minutes. The model B CD burner Burns 60 minutes of data inanity 1.5 minutes. How much longer will
Use barbarism in a sentence
what is 3,490,000 in scientific notation
what multiplacated by something equals 224
Use the translation (x, y)→(x+6, y-3): 1.What is the image of A(3,2)? 2.What is the preimage of C'(2,-7)? 3.What is the image of B(-4,1)? 4.What is the preimage
