zlah
zlah
23-04-2017
Mathematics
contestada
y=x+2
x+y=20
simultaneous equations
Respuesta :
amber45856
amber45856
23-04-2017
x=9, y=11; x + (x + 2) = 20; 2x + 2 = 20; 2x = 18; x = 9
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
How Many Times Done 16 go Into 78!??!!!!?!!?!??!?!?! HELP ME!!!
3 7/8- 3/8 I really need help!
What is the equation of the line that passes through the point ( -1, 1) and is perpendicular to 2x + 4y = 16? A. y = −2x − 1 B. y − 3 = 2x C. y = 6x + 7 D. Can
What is the domain of the function represented by the graph? 4 1 2-+ X -2 TUL NELL A. X54 OB. all real numbers C. X20 OD OsXs4
What is the answer please help
what century did banks first begin?
Please it is due in five minutes
26 points help!!We walked for a mile, and then we stopped for refreshments. How should the sentence be classified? complex simple compound compound-complex
Three out of every seven candies sold were chocolate. If 210 candies were sold, how many were chocolate?
A 20 foot ladder rest against the wall. The base of the ladder is 7 feet from the wall. What angle does the ladder make with the ground?
