Question

Solve the system of linear equations by substitution.

y=2x+5
y=3x−1

Answer 1

x = 6, y = 17

Explanation:

since both equations are equal to the same variable (y), they are equal to each other.

2x + 5 = 3x - 1

-2x -2x

5 = x - 1

+1 +1

6 = x

y = 2(6) + 5

y = 12 + 5

y = 17