alfonso7guzman7
alfonso7guzman7
03-10-2020
Mathematics
contestada
Subtitute 2x+y=7 and 3x-y=8
Respuesta :
taaaaan
taaaaan
03-10-2020
2x + y =7 (1)
3x-y=8 (2)
(1) + (2)
5x = 15
x = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 88+ )
Otras preguntas
Travis and Paula went to lunch. Travis ordered a sandwich for $7.50, and Paula ordered a burger for $5.25. After lunch, they left 15% tip for their waiter. How
which of the following is a true statement? A. All squares are rectangles B. All rectangles are squares C. All rhombuses are squares
why do living things store energy in lipids instead of in carbohydrate?
What causes some materials to have magnetic fields?
By how many is 3/4 of 20 greater than 3/5 of 20
Select the sentence type. I know the man, but he doesn't know who I am, although I've tried to introduce myself several times. fragment simple compound complex
What is honour rationing?
Which additional word in the sentence should be capitalized? Do you like Robert Frost's poem "Stopping by Woods on a snowy Evening"? A. By B. You C. On D. Snowy
AP US History question: Assess the relative influence of THREE of the following in the American decision to declare war on Germany in 1917. Germany naval policy
Identify the factual statement below a. buying a home is a very stressful experience b. Ben Bernanke became chairman of the federal reserve in 2006. c. Taxpayer
