dezariaspencer
dezariaspencer dezariaspencer
  • 02-05-2018
  • Mathematics
contestada

solve the system using the substitution method
4x+6y=8
3x+y=9

Respuesta :

fatehahnordin9p7wo43
fatehahnordin9p7wo43 fatehahnordin9p7wo43
  • 02-05-2018
4x+6y=8
3x+y=9

y = 9 - 3x

4x + 6( 9-3x ) = 8
4x + 54 - 18x = 8
14x = 46
x = 23/7

y = 9 - 3(23/7)
y = 9 - 69/7
y = - 6/7
Answer Link

Otras preguntas

Find the measure of the third angle of a triangle given the measure of two angles are 86º and xº. a.(86 – x)º strike reset b.(90 – x)º strike reset c.(94 – x)º
Is it safe or unsafe to climb an unsecured ladder that has slip-resistant feet?
Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for me
Determine three point on the line with slope 4 and passing through (6,0)
How do the muscular and skeletal systems work together to allow us to move? A) Ligaments contract and pull on bones. B) Muscles contract and cause tendons to
Car travels 35 1/2 miles on 1 1/4 gallons of gas. What is the unit rate for miles per gallon ?
A 68.5 kg astronaut is doing a repair in space on the orbiting space station. she throws a 2.25 kg tool away from her at 3.20 m/s relative to the space station.
Is fetus weight and length is related to mother body size?
In bandura's bobo doll study, when the children who watched the aggressive model were placed in a room with the doll and other toys, they ________.
BRAINY REWARD!!! When you place your feet near the fireplace and they become warm, what type of energy conversion occurs? radiant to thermal thermal to mecha