noah1781
noah1781
02-12-2018
Mathematics
contestada
Solve by substitution 3x+y=5 and 2x-y=10
Respuesta :
charper317
charper317
02-12-2018
3x+5=2x-10
-2x -2x
X+5=-10
-5 -5
X=-15
3(-15)+y=5
-45+y=5
+45 +45
y=50
2(-15)-y=10
-30-y=10
+30 +30
-y=40
Divide by -1 on both sides
y=-40
Answer Link
VER TODAS LAS RESPUESTAS ( 21+ )
Otras preguntas
Which of Columbus' ships ran aground and had to be abandoned? a) The Nina b) The Pinta c) The Santa Maria d) None of the above.
Mrs. Payne needs 35 notepad she can buy them in packs of 10 notepads or a single Pat what are all the different ways Mrs. P pain can buy the notepads find a pat
As Texas was defending its claim to be a new and independent republic in 1836, a final crucial victory was won at A. Goliad. B. San Antonio. C. Las Cruces. D.
Two causes of World War II were military build-up and Hitler's invasion of small countries.
Darby is taking a hike. She sees a pile of broken rocks near the base of a cliff. The area is a dangerous place for _____. Possible Answers: glaciers, rockfalls
Which of the following is an interjection? a. Hunting b. Is c. Wow d. Acrimonious
what is 135% as a fraction in simplest form
22.5% written as a fraction in simplest form
ability to move joints fully and easily
Is 2750 a reasonable answer for 917 x 33?
