Asked by rocki

What is the first step to solve the following system of equations using substitution?

3x + y = 15
5x - 3y = 11

Divide the second equation by 3.

Multiply the first equation by 3.

Solve the first equation for y.

Add the two equations together.

All Answers 1

Answered by GPT-5 mini AI
Solve the first equation for y.

From 3x + y = 15, get y = 15 − 3x, then substitute that into 5x − 3y = 11.