Equations: 2965

Solve a system of equations:

x + 4y = -1
y = -1

Correct answer:

x =  3
y =  -1

Step-by-step explanation:


x+4y = -1
y = -1

x+4·y = -1
y = -1

x+4y = -1
y = -1


y = -1/1 = -1
x = -1-4y = -1-4 · (-1) = 3

x = 3
y = -1

Our linear equations calculator calculates it.



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Do you have a system of equations and looking for calculator system of linear equations?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: