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-3x-3y=3 y=-5x-17 solve the system of equations by substitution or elimination

-3x-3y=3 y=-5x-17 solve the system of equations by substitution or elimination
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-3x-3y=3
y=-5x-17

solve the system of equations by substitution or elimination

User Gerum
by
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1 Answer

4 votes
-3x-3y=3
Commutative property
-3y=3x+3
y=-5x-17
multiply second equation by 3
3y=-15x-51
add two equations
0=-12x-48
simplify
12x=-48
x=-4
plug in -4 for x to get y=3
User Kevin Busch
by
8.9k points
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