Discover new knowledge and insights with IDNLearn.com's extensive Q&A database. Our experts are ready to provide in-depth answers and practical solutions to any questions you may have.

solve the system of linear equations.
y=x-5
y=-2x+1


Sagot :

x-5=-2x+1

3x=6

 x=2

 y=x-5=2-5=-3

y=-3

The solution is (2; -3)


i solved this one by substitution. When you are solving for two equations you can do this.
y=x-5
y=-2x+1
substitute the y in one of the equations to find x 
x-5=-2x+1
x=-2x+6
3x=6
x=2
then you plug in that number to one of the equations
y=2-5
y=-3