Wither26078
Wither26078
12-12-2021
Mathematics
contestada
x+y=5
x-1=y
Please help
Respuesta :
hifzur630
hifzur630
12-12-2021
This is a simultaneous equation
Rearrange the second to give
x - y = 1
Add the two equations
(x + y) + (x - y) = 5 + 1
2x = 6
x=3
Substitute 3 into either equation
3 - 1 = y
y = 2
Answer Link
VER TODAS LAS RESPUESTAS ( 88+ )
Otras preguntas
John invests $10,000 for three years at 10% compounded annually. How much will John have after the three years?
What is the value of x? Enter your answer, as a decimal, in the box.
What effect can the ocean have on a climate? 1. Ocean water can cause nonstop rain in the costal region 2. There is not influence on climate an ocean 3. Ocean
What was one thing Cornelius Vanderbilt did to gain control of his competitors?
An alpha particle (which has two protons) is sent directly toward a target nucleus with 90 protons. the alpha particle has a kinetic energy of 0.45 pj when far
PLZ HELP ASAP AND I WILL GIVE BRAINLIEST What is the area of the figure? 180 square inches 198 square inches 270 square inches 264 square inches
1. Solve the system by the elimination method. Check your work. R - 9S = 2 3R - 3S = -10 {(-4, -8/3)} {(-4, -3/2)} {(-4, -2/3)}
Which is a landscape feature created by glacial deposits?
Suppose we have two boxes; box 1 contains 4 defective and 16 non defective light bulbs. box 2 contains 1 defective and 1 non defective light bulb. we roll a fai
Fencing a feed lot peter plans to fence off a square feed lot and then cross-fence to divide the feed lot into four smaller square feed lots. if he uses 480 ft
