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HELPPPPP MEEEEE PLEASEEEEE.  use substitution method to solve the system of equations. Choose the correct ordered pair. 2x - y=10 and 2x - 2y =4
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HELPPPPP MEEEEE PLEASEEEEE. 

use substitution method to solve the system of equations. Choose the correct ordered pair. 2x - y=10 and 2x - 2y =4

User Tutuchan
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You can make the first equation equal to x: x=0.5y+5 and substitute it into the second equation: 2(0.5x+5)-2y=4 -> -y+10=4 so y=6.

Then plug y into either equation: 2x-(6)=10 -> x=8

The correct ordered pair is (8,6)
User Mario Radomanana
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