Algebra
posted by A.W. .
How do I solve by the substitution method? 7x +6y=13
x= 355y. I need help figuring this out.

Substitute 35  5y for x in the first equation. That will give you
245 35y + 6y = 13
232 = 29 y
y = 8
x = 35  40 = 5