solve for 5x+3y=2 and 6x+4y=7

In google type:

Solver Solving a System of Linear Equations by Elimination

When you see list of results click on:
Solver Solving a System of Linear Equations by Elimination/Addition

When page be open in rectacangles type your coefficients

1 row 5 3 2
2 row 6 4 7

and click option Solve

You will see solution step by step