Question

Solve the system of linear equations by substitution. Check your solilution.
y=x+3 y=5x-5​

Answer 1

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Answer:

(x, y) = (2, 5)

Explanation:

Substitute the expression for y in the second equation into the first equation:

5x -5 = x +3

4x = 8 . . . . . . add 5-x to both sides

x = 2 . . . . . . divide by 4

y = 2+3 = 5 . . . substitute for x in the first equation

The solution is (x, y) = (2, 5).