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Use addition to solve the linear system of equations. Include all of your work in your final answer. x - y = 6 y = x - 4
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3 votes
Use addition to solve the linear system of equations. Include all of your work in your final answer.

x - y = 6
y = x - 4

User Gailene
by
7.6k points

1 Answer

5 votes
minus y both sides in 2nd equation and add 4
x-y=4
we gots

x-y=6
x-y=4

multiply 2nd by -1 and add to first

x-y=6
-x+y=-4 +
0x+0y=2
0=2
false
no solution
User Particle
by
8.6k points
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