SOLUTION: Solve by substitution method. -10x+8y=-6 y=5/4x I need help refreshing for final.
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Question 545158
:
Solve by substitution method.
-10x+8y=-6
y=5/4x
I need help refreshing for final.
Answer by
jim_thompson5910(35256)
(
Show Source
):
You can
put this solution on YOUR website!
if y=5/4x, then
-10x+8y=-6
-10x+8(5/4x)=-6
Notice how i replaced 'y' with '5/4x'. This is possible since 'y' and '5/4x' are the same
From here, solve -10x+8(5/4x)=-6 for x
Once you have a solution for x, use it to find y.