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Find the solution of this system of equations -2x equals 2 plus 1y -6x-y equals -2?
Assuming that you are giving two separate equations:
Your answer is x = 1 & y = -4
Given Equations
-2x = 2 + y
-6x - y = -2
Derived Equations
3 * (2+y) - y = -2
6 + 3y - y = -2
6 + 2y = -2
2y = -8
y = -4
-2x = 2 + (-4)
-2x = -2
x = 1
Checking Answers
-2 * (1) = 2 + (-4)
-2 = -2
-6 * (1) - (-4) = -2
-6 + 4 = -2
-2 = -2
What else can I help you with?
What is a solution to the following system of equations using substitution -5x plus y equals -5?
-10
How do you check a solution to a system of equations?
Put the values that you find (as the solution) back into one (or more) of the original equations and evaluate them. If they remain true then the solution checks out. If one equation does not contain all the variables involved in the system, you may have to repeat with another of the original equations.
When solving a system of equations by elimination you find what?
You find a solution set. Depending on whether the equations are linear or otherwise, consistent or not, the solution set may consist of none, one, several or infinitely many possible solutions to the system.
How do you find the solution to system of equations?
Parenthesis, exponents, multiplication, division, addition, subtraction. PEMDAS
What is the solution of x plus y equals 5?
You have two unknown variables, x and y. You therefore need at least two independent equations to find a solution.
What is a solution to the following system of equations using substitution -5x plus y equals -5?
-10
Can substitution in math be used to find the exact solution of a system of equations?
yes
How do you check a solution to a system of equations?
Put the values that you find (as the solution) back into one (or more) of the original equations and evaluate them. If they remain true then the solution checks out. If one equation does not contain all the variables involved in the system, you may have to repeat with another of the original equations.
When solving a system of equations by elimination you find what?
You find a solution set. Depending on whether the equations are linear or otherwise, consistent or not, the solution set may consist of none, one, several or infinitely many possible solutions to the system.
What graph could be used to find the solution of the system of equations y equals 2x plus 6 and y equals x2 plus 4x plus 3?
A graph that has 1 parabolla that has a minimum and 1 positive line.
How do you find the solution to system of equations?
Parenthesis, exponents, multiplication, division, addition, subtraction. PEMDAS
When we look for a solution for a system of equations or inequalities are we looking into an AND situation or an OR situation?
Unless otherwise stated, the "AND" case is normally assumed, i.e., you have to find a solution that satisfies ALL equations.
What is the solution of x plus y equals 5?
You have two unknown variables, x and y. You therefore need at least two independent equations to find a solution.
What is the purpose of Cramer's rule?
In math, the purpose of Cramer's rule is to be able to find the solution of a system of linear equations by using determinants and matrices. Cramer's rule makes it easy to find a system of equations that have many unknown variables.
What are multi step equations?
They are equations that involve many steps to find the solution.
Which graph could be used to find the solution of the system of equations y equals 2x plus 6 and y equals x2 plus 4x plus 3?
One way would be to graph the two equations: the parabola y = x² + 4x + 3, and the straight line y = 2x + 6. The two points where the straight line intersects the parabola are the solutions. The 2 solution points are (1,8) and (-3,0)
When you formulate a system of equations you have at least how many factors?
You don't need ANY factor. To find a unique solution, or a few, you would usually need to have as many equations as you have variables.
