Julissalopez34 Julissalopez34
  • 17-09-2014
  • Mathematics
contestada

Solve system by elimination
20x-12y=-20
-10x+6y=10

Respuesta :

crisforp
crisforp crisforp
  • 17-09-2014
10x+6y=10 / * 2 => 20x + 12y = 20; but, 20x - 12y = -20 => 40x = 0 => x = 0; 12y = 20 => y = 20 / 12 => y = 1,(6).
Answer Link

Otras preguntas

Which economic system comprises the collective ownership of property? mixed economy capitalism state capitalism socialism
How did the invention of the Gutenberg press affect the Renaissance ?
Which sentence best describes a difference in interpretation
Spanish, 1 Dibujo en la clase de____2 ¿Qué clase ____en la primera hora?3 Son las doce. Tengo el ____4 La Sra. Gómez _____ español en la primera, segunda y cuar
4Σn=! n/n! I understand what the denominator, n! is by definition. I just don't understand what to put for the numerator when n = ! Can anyone help me figu
Which of the following is an example of agglomeration? A. A steel mill is located in the country to take advantage of low labor costs B. A clothing factory is l
If the scale factor of figure A to figure B is 4:5, find the value of x
What’s this photos answer?
Does 2x-5y=-15 represent a linear relationship? please explain ​
Compare each of the functions shown below: