SOLUTION: Solve the system by substitution. y=2.4x-4.2 3x+2y=15

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Question 763055: Solve the system by substitution.
y=2.4x-4.2
3x+2y=15

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the system by substitution.
y=2.4x-4.2
3x+2y=15
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y is solved for, sub for y in the 2nd equn
3x + 2y = 15
3x + 2(2.4x-4.2) = 15
solve for x, then for y