SOLUTION: solve by the elimination method x+9y=52 -x+6y=23 0.3x-0.2y=4 0.4+0.3y=-1

SOLUTION: solve by the elimination method x+9y=52 -x+6y=23 0.3x-0.2y=4 0.4+0.3y=-1

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Question 325027: solve by the elimination method
x+9y=52
-x+6y=23
0.3x-0.2y=4
0.4+0.3y=-1
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Add eq. 1 and eq. 2 to eliminate x,

Then use either equation to solve for x,

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.
.
.

1.

2.
Multiply eq. 1 by 3 and eq. 2 by 2 and add them,

Then use either equation to solve for y.

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