SOLUTION: y = 6x + 41, 4x + 9y = -95 Solve using either elimination or substitution

Algebra ->  Graphs -> SOLUTION: y = 6x + 41, 4x + 9y = -95 Solve using either elimination or substitution      Log On


   

Question 295684: y = 6x + 41,
4x + 9y = -95
Solve using either elimination or substitution
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.y+=+6x+%2B+41
2.4x+%2B+9y+=+-95
Substitute eq. 1 directly into eq. 2,
4x%2B9y=-95
4x%2B9%286x%2B41%29=-95
4x%2B54x%2B369=-95
58x=-464
x=-8
Then for eq. 1,
y=6x%2B41
y=6%28-8%29%2B41
y=-48%2B41
y=-7
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(-8,-7)