Question

Solve the system of linear equations by substitution
—3х + 5y = 5
Y=x-1

Answer 1

x = 5

Explanation:

Sub the equation x - 1 in place for the x in the top equation. So -3x + 5(x - 1) = 5

-3x + 5x - 5 = 5

Add 5 to get 2x = 10

Divide both sides by 2 to get x = 5