SOLUTION: Solve each system by addition, if possible. 4x + 6y = 5 8x - 9y = 3

Algebra.Com
Question 807979: Solve each system by addition, if possible.
4x + 6y = 5
8x - 9y = 3

Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
4x + 6y = 5
8x - 9y = 3
---
-8x - 12y = -10
8x - 9y = 3
---
-21y = -7
---
y = 1/3
4x + 6(1/3) = 5
4x + 2 = 5
4x = 3
x = 3/4
Answer:
x = 3/4
y = 1/3
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php

RELATED QUESTIONS

solve the system by graphing x+4y=-2 y=-x-5 solve 4x+6y=5... (answered by solver91311)
Solve the system by addition. 4x – 6y = –1 8x + 3y = 3 (answered by HyperBrain)
Solve the system by addition. 4x – 6y = –1 8x + 3y = 3 (answered by elima)
Solve the system by addition. 4x – 6y = –1 8x + 3y =... (answered by checkley71)
Solve the system by addition. 4x + 6y = 9 8x – 3y = –7 (answered by jim_thompson5910)
Solve the system by addition. 4x – 9y = –14 x + 2y = 5 (answered by jim_thompson5910)
The Addition Method Solve each system by addition. x - y = 3 -6x +6y =17 (answered by brucewill)
Solve each system by the addition method: 3/7x+5/9y=27... (answered by jim_thompson5910)
Solve each system by the addition method. 3/7x+5/9y=27... (answered by josmiceli)