lunawymlxnx lunawymlxnx

23-03-2017
Mathematics

contestada

8x + y = -16
-3x + y= -5

Respuesta :

mrillyan mrillyan

23-03-2017

Solve for x,y by substitution
8x-y=13
y=-8x+1
-------
Substitute for "y" and solve for "x"::
8x - (-8x+1) = 13

---
8x+8x-1 = 13
16x = 14
x = 7/8

Answer Link

Otras preguntas

Create one function in factored form with all the following characteristics: Zero at x = 7 and multiplicity of 3 Zero at x = -1 and multiplicity of 2 Zero at x

This is what is worn during scientific investigations to protect the clothes and body.

round 12.368 to the nearest tenth

Which territory did spain ask the u.s to stay out of

What instrument is used to detect cavities, calculus, and tooth irregularities?

The shoulder joint, or ________ joint, permits the greatest range of motion of any joint.

A clothes dryer uses about 5 amps of current from a 240 volt line. How much power does it use?

How does a scientist critique another scientist’s conclusion? A. By making fun of the other scientist B. By reading secondary source C. By making up alternate

Which best explains why the delivery of William Faulkner's Nobel Prize speech does not support its rhetoric and purpose? A. He delivers the speech too quickl

Sea anemones and sea stars both eat mussels and crabs. The abiotic factors in a tide pool caused a growth in the sea star population. A month later, the anemone