Find the solution to the system of equations by using graphing or substitution y=2x-1 and y=x+3

Question

Mathematics

Jeremy Heath

6 February, 04:16

Find the solution to the system of equations by using graphing or substitution y=2x-1 and y=x+3

+5

Answers (1)

Know the Answer?

Cameron Aguilar · Answer 1

Lets use substitution, since there isn't any graphing method here.

y = x + 3

y = 2x - 1

x + 3 = 2x - 1

-x - x

x - 1 = 3

+1 + 1

x = 4

Now solve for y

y = 2 (4) - 1

y = 8 - 1

y = 7

We have the solution: (4,7)