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

What measurement shows how much space is inside a rectangular prism

what's 13/20 converted into a decimal

What does smooth ER lack that rough ER has?

Evaluate the expression when x = 5: 10 I7-xI (A)-120 (B)20 (C)-20 (D)123

n "The Bat-Poet," why does the chipmunk encourage the little brown bat to write more poems? A. He thinks the bat needs more practice in order to make really go

1)how can motion appears differently to different observers? 2)what are some ways you could describe the motion of a car?

What is a Phenomenon characterized by poorly planned development on the edges of cities and towns?

Yuri has a rope 12m long. he cuts it into pieces that are each 2m long. what fraction of the rope is one piece

when you climb a rope you change? energy into? energy

Explain one way that ethnic groups in the US and Canada are similar in one way that they are different