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

Mohamed......... a teacher when he leaves university 1.am becoming 2.is going to become 3.becones 4.will become
6) The temperature of 10 kg of a substance rises by 55°C when heated. Calculate thetemperature rise when 22 kg of the substance is heated with the same quantity
Please I Need Help
2020-2021 ELA Grade 7 Unit 4 Periodic Assessment 11 of 1811 of 18 Items Feature This editorial was presented in 2011 by an association of frozen food makers. It
vi. What is water pollution?vii. State three causes of water pollution/sources of waterviii. Give the effect of water pollution.​
In which diagram are <1 and <2 supplementary?
A 100.0 mL sample of natural water was titrated with NaOH. The titration required 14.53 mL of 0.1031 M NaOH solution to reach a light pink phenolphthalein end p
Creating a blog of how I prepared to climbe mount everest ?
Please help also due in morning THE WHOLE PAGE. 50 points for right now
Equation practice with angle addition