SOLUTION: how do i solve 2x-3y=6
2x-y=7
substitution method linear systems
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Question 684152: how do i solve 2x-3y=6
2x-y=7
substitution method linear systems
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Hint:
Solve the second equation for y
2x-y=7
-y = -2x+7
y = 2x-7
Then plug this into the first equation
2x-3y=6
2x-3(2x-7) = 6
2x-6x+21 = 6
-4x+21 = 6
I'll let you finish. Solve for x. Then use the solution for x to find the solution for y.
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