SOLUTION: Solve the system by substitution.
2x + 2y = 14
y = –3x + 9
Hint: You must find both the x and the y values for full credit.
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Question 82522: Solve the system by substitution.
2x + 2y = 14
y = –3x + 9
Hint: You must find both the x and the y values for full credit.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Since we have we can substitute this value of y into y of the first equation
Plug in -3x+9 into y
Distribute
Combine like terms
Subtract 18 from both sides
Divide both sides by 2
Now plug this into to find y
Plug in x=1
So our solution is
x=1, y=6
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