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Use substitution to solve y=-2x+1 y=x-5
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3 votes
Use substitution to solve
y=-2x+1
y=x-5

User Ron Thomas
by
8.8k points

1 Answer

5 votes
Substitute the y=x-5 into the first equation.
So y=-2x+1 becomes x-5=-2x+1.
Solve for x by isolating x variable terms on one side and integers on the other.
X+2x=1+5
3x=6
X=2

Then plug x=2 into y=x-5
Y=2-5=-3

So x=2, y=-3
User Kartik Trivedi
by
7.6k points
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