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# -3x +5y =44x+5y=32

ther actual question is set up as

-3x + 5y=44

x + 5y = 32

Cindy,

This -3x +5y =44x+5y=32 is a bit ambiguous.

My guess is that it is actually two equations in two unknowns:

-3x +5y = 32    and     44x+5y=32

Can you clarify the problem?

BruceS

2/14/2013

BruceS, it is actually two seperate equations

-3x + 5y = 44

x+5y - 32

2/14/2013

The way to solve this is to solve one of the equations for x or y.

The bottom one looks easier.

x=32-5y

Substitute that value into the top equation.

-3(32-5y)+5y=44

-96+15y+5y=44

20y=140

y=7

Now substitute y into the bottom equation

x+5(7)=32

x+35=32

x=-3

Now double check the answer by plugging in the answers to both equations.

-3(-3)+5(7)=44

-3+5(7)=32

The answer is x=-3 and y=7

Thank you very much for the help Ben.

Cindy V

2/14/2013

-3x +5y =44x+5y=32

0 0

If you eliminate y first, then the process is lot simpler.

-3x + 5y=44 ......(1)

x + 5y = 32 ......(2)

(1)-(2): -4x = 12

x = -3, y = (32-x)/5 = (32+3)/5 = 7

2/14/2013

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