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
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
what is the volume of a cube with 1/2 inch sides?
Which of the following organizations has encouraged free trade, increased economic interdependence, and lessened travel restrictions among European countries? E
As a good American citizen, it is important to respect the diversity of this country. Unfortunately, discrimination has been an ongoing struggle for centuries.
which equation represents this sentence? five more than three times the number is one-third more than the sum of the number and itself. 5(3n)=1/3n n 3n 5=1/3(n
1) During the 1950s, American consumers a)had less money to spend. b)bought fewer goods on credit. c)purchased new labor-saving appliances. d)did not respond we
twice x, plus 5 is the same as -14
The product of two whole numbers is 825 the sum is 58 what are the two numbers
Paul has decided to set up his own recording studio. He needs to purchase four speakers at $435 apiece and two mixers at $772 apiece. He also needs to soundproo
What is one primary religion and one minor religion jews practice.
Which of the following non-renewable energy resources is an alternate source of energy? a. nuclear energy c. oil b. natural gas d. coal