mabr1715 mabr1715
  • 23-12-2020
  • Mathematics
contestada

-2x+10y=25
X-25y=3

Elimination method

Respuesta :

BxrbieBxnds
BxrbieBxnds BxrbieBxnds
  • 23-12-2020

Answer:

equation form: x=-131/8y -31/40

Step-by-step explanation:

this is addition/elimination

Answer Link
emmythomas255
emmythomas255 emmythomas255
  • 23-12-2020

Step-by-step explanation:

(-2x+10y=25) × 2.5

-5x+25y=62.5

x-25y=3

-5x+x+25y-25y=62.5+3

-4x=65.5

x =65.5÷4

=16.375

16.375-25y=3

-25y=3-16.375

-25y=-13.375

y=- 13.375÷-25

=0.535

i tried.

Answer Link

Otras preguntas

How is each measurement represented using scientific notation? 48,000,000,000 g =
The time t required to do a job varies inversely as the number of people working. it takes 77 hr for 66 cooks to prepare the food for a wedding rehearsal dinner
7. Which of the following statements about Vietnam is true?
Which of these is another name for mechanical weathering? A. erosion B. deposition C. disintegration D. decomposition
What is pi over 18 in Radian measure
Evaluate. 3^−1⋅(4⋅6)⋅2^−3 plz be sure to explain
How did the Gulf of Tonkin Resolution lead to the escalation of US troop involvement in the Vietnam War? a.It gave the president the ability to send troops with
Which statement BEST describes the power of government provided by the Articles of Confederation? Question 1 options: The national government held most of the p
How many magnesium atoms are contained in 3.75 moles of magnesium?
Laughing, crying, screaming, coughing, and moaning are not actually words but are called vocalization noise emotions