# algebra

posted by .

please give me step by step instructions on how to solve the following equations; x-y=3 and -x+4y=9 I am trying to graph the coordinates.

• algebra -

for x-y=3 add y to both sides then subtract three from both sides.

For x+4y=9 subtract x from both sides then divide everything by 4.

## Similar Questions

1. ### algebra 1

ELEMENTARY ALGEBRA #3 Page 23 Chapter 3 Lesson 3.02 Solving Multi-step Equations Reading Assignment: Study pages 126 – 129 Written Assignment: There are five steps to solve Multi-Step equations, Match them in their proper order. …
2. ### Algebra help

f(x)=x^3-4x^2-x+4 How do I find the x-intercept for this?
3. ### Algebra

Can you please give an example step by step of how to solve a system of linear equations in three variables?
4. ### algebra

please giveme step by step instructions on how to solve linear equations. -x+4y=9 and x-y=3 . I am trying to plot the coordinaces.
5. ### Math; Pre- Algebra

I neede help with how to solve equations with variabls on both sides. Can you give me some examples and work them out step by step?
6. ### Math

I am really have a tough time trying to solve this problem. I think my first three steps are correct but I am not sure. Could someone please help me?