SOLUTION: Solve by the elimination method
0.3X - 0.2Y = 4
0.4X + 0.3Y = 49
--
23
Algebra.Com
Question 328031: Solve by the elimination method
0.3X - 0.2Y = 4
0.4X + 0.3Y = 49
--
23
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Multiply both eqations by 10 first.
1.
2.
Multiply eq. 1 by -3 and eq. 2 by 2 and add them to eliminate y,
.
.
.
Then use either equation to solve for y.
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