trinip2010 trinip2010

02-10-2016
Mathematics

contestada

how to solve equations
3y-2x=11
y+2x=9

Respuesta :

princegn princegn

02-10-2016

3y-2x=11
y+2x=9
just plus them
4y = 20
y = 5
put y = 5 in y+2x=9
5 + 2x = 9
2x = 9 - 5
2x = 4
x = 2
thus x = 2
y = 5

Answer Link

02-10-2016

1. y=9 and x=8
2. y=-29 and x=20

Answer Link

Otras preguntas

bryan has 3 nickels ,3 dimes and 2 quarter. what fraction of the coins is either a dime or a quarter

Air offers________ to the motion of objects through it

Please Explain This Function out for me :) f(s) =10 (s-65)+75

Can you explain to me in steps how to work this problem 4(2x-2)-4=4(x-5)+32

Christina collects stamps. She has 47 stamps in all. She has 20 stamps from Europe. The number of African stamps is 2 times the number of Asian stamps. How

what does don't judge a book by its cover mean

which is larger 1/8 or 2/10

How do you solve 3 7/10-12 Fractions Fast anybody pls pls

what is the decimal for 36/10

which type of colony had a governor and council appointed by the king