Steph23465 Steph23465

04-02-2016
Mathematics

contestada

Y=-2x-6
Y=x+9
Elimination method

Respuesta :

apologiabiology apologiabiology

04-02-2016

so we have
y=-2x-6
y=x+9
elimination
multiply second by e
2y=2x+18
just add them

y=-2x-6
2y=2x+18 +
3y=0x+12
3y=12
divide by 3
y=4
subsitue
4=x+9
subtract 9
-5=x

x=-5
y=4

Answer Link

Otras preguntas

The value of a particular stock is increasing at a rate of 7% every month. You currently own $400 worth of the stock. What would the stock be worth in 6 months

Convert the following angle from degrees to radians. Express your answer in simplest form. 150°

, Answer for brainilest and 10 points

Which of the following is equal to 5 ? 4 А B -6). С -(0) D -()

please help me with maths !!!A fish was at the river-bed at a certain time. After 5 minutes, the water level of the river roseup 2.4 cm and the water level of t

Jeff, a 52% owner of an S corporation, has a stock basis of zero at the beginning of the year. Jeff's basis in a $10,000 loan made to the corporation and eviden

A scary man dressed as a tomato stops you on the street and demands that you do the problem: 6.76 / 1.3 What is your answer to 6.76 / 1.3?

Please add the correct form of the verb in the parentheses to complete how long ago someone did something . Hace seis años nosotros____(ir) a España.

Calculate the area of each shape below. Figures are not drawn to scale.

At cycle and sport, customers can rent bikes, electric scooters, kayaks, canoes or paddleboards by the hour. Ari is renting a bike, meg is renting a electric sc