SOLUTION: Solve by elinimation
1/3x+2/1=2/1
2/3x-3/5y=1/5
Solve by elinimation
x-y=-13
9x-4y=-97
Solve by substitution
x+y=7
y=x-1
Algebra.Com
Question 114737: Solve by elinimation
1/3x+2/1=2/1
2/3x-3/5y=1/5
Solve by elinimation
x-y=-13
9x-4y=-97
Solve by substitution
x+y=7
y=x-1
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
1.
Solve by elimination:
...(1)
multiply both sides by
...(2)
multiply both sides by
...(1)
...(2)
...(1)
..
multiply both sides by
...(2)
...(1)
subtract (2) from (1)
...(2)
...(1)
-
...(2)
---------------------------------
.move from the left to the right
.......divide by
.......simplify
.......
.......
2.
Solve by elimination:
...(1)
..
multiply both sides by
...(2)
...(1)
. subtract (2) from (1)
-
...(2)
------------------------------------------
.divide both sides by
3.
Solve by substitution:
...(1)
substitute (2) in (1)
(2)
...(1)
...(1)
...(1)
move from the left to the right
...(1)
...(1)
divide both sides by
...(1)
...(1)
now substitute in (2)
(2)
(2)
(2)
So, your solution is:
and
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