renad17ahmed renad17ahmed

26-01-2017
Mathematics

contestada

Elimination of
x-y=11
2x+y=19

Respuesta :

apologiabiology apologiabiology

26-01-2017

ggeasy

we can eliminate the y terms by adding the equations

x-y=11
2x+y=19 +
3x+0y=30

3x=30
divide by 3
x=10

subb ack
x-y=11
10-y=11
minus 10 both sides
-y=1
times -1
y=-1

(x,y)
(10,-1)

Answer Link

Otras preguntas

All the following are momentum oscillators except a. Relative Strength Index (RSI) b. Moving Average Convergence/Divergence (MACD) c. Stochastics d. Advance/Dec

How is genetic information stored in a cell?

What was the Indian national congress?

Compare and contrast the resources available in india and uae and how are they utilizing the same. take minimum 5 types of resources

PLEASE HURRY (NEED ANSWER ASAP)

Perform an experiment in which you roll a ball 43,700 cm before it comes to a stop. Write this measurement in scientific notation

HELPPPPPPP! DUE TOMORROW

How can teacher bridge strengths in students' native language literacy knowledge to their second language development

The stigma on the underside of the leaf allows________to move in and out of the leaf

Simplify the expression (4x2y3)2