soonerfan0540 soonerfan0540

26-06-2019
Mathematics

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Solve the system algebraiclly 3x -2y -1 = 0 y= 5x +4

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anonymous12345678901 anonymous12345678901

26-06-2019

You’re already given what y is so just substitute it in and solve

3x-2(5x+4)-1=0
Distribute
3x-10x-8-1=0
Add like terms
-7x-9=0
Add 9 to both sides
-7x=9
Divide both sides by -7
x=-9/7

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