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Find the solution of the system of equations 6x+3y=12,6x-5y=60
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17 votes
Find the solution of the system of equations 6x+3y=12,6x-5y=60

User Wu Jie
by
3.5k points

2 Answers

10 votes
subtract one equation from the other to eliminate 6x:

6x-5y=60
- 6x+3y=12
——————
0-8y=48

Simplify -8y=48:
y=-6

Substitute y into one of the equations and simplify:
6x+3(-6)=12
6x-18=12
6x=30
x=5

So, x=5 and y=-6


User Robin Dehu
by
4.0k points
5 votes

Answer:

x=5 y=-6

Explanation:

User Gluxon
by
3.4k points
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