SOLUTION: Im working on solving linear equations by elimination.
whats 3x-4y=-10 and 2x+5y=70
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Question 695682: Im working on solving linear equations by elimination.
whats 3x-4y=-10 and 2x+5y=70
Found 2 solutions by mananth, MathTherapy:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
3 x -4 y = -10 .............1
2 x + 5 y = 70 .............2
Eliminate y
multiply (1)by 5
Multiply (2) by 4
15 x -20 y = -50
6 x + 20 y = 280
Add the two equations
21 x = 230
/ 21
x = 11
plug value of x in (1)
3 x -4 y = -10
33 -4 y = -10
-4 y = -10 -33
-4 y = -43
y = 11
x= 11
y= 11
m.ananth@hotmail.ca
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
Im working on solving linear equations by elimination.
whats 3x-4y=-10 and 2x+5y=70
You can do the check!!
Send comments and “thank-yous” to “D” at MathMadEzy@aol.com
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