Question

How do you solve a system of equation algebraically?

Answer 1

substitution is the key

Answer 2

For example: x+3+y=0 and x+y+4=0

Answer 3

you can use
1)substitution
2)elimination
3)graphing
4) Cramer's Rule
I like elimination

Answer 4

x=-3-y substitute it to the second equation

Answer 5

What if the equation is like this: 2x+3y=-6 and 5x+2y=7

Answer 6

some_someone used elimination (that is my favorite method).....

Answer 7

@precal yup mine too :D