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How doI solve system of equations by substitution?
Assuming the simplest case of two equations in two variable: solve one of the equations for one of the variables. Substitute the value found for the variable in all places in which the variable appears in the second equation. Solve the resulting equation. This will give you the value of one of the variables. Finally, replace this value in one of the original equations, and solve, to find the other variable.
How do you solve y equals 3x-6?
9
How do you solve -12x equals 72?
-12x = 72 Divde both sides by -12 to find the value of x: x = -6
How do you solve 5.167 equals log Kf How to find the value of Kf?
If log(Kf) = 5.167 then Kf = 105.167 = 146,983 (approx).
How do you solve x plus 1 over x?
You don't "solve" an expression. You can solve an equation; an expression can be simplified or otherwise manipulated, and if you know the value of "x" (in this case), you can evaluate its value.
How do you find the value of a variable in similar figures?
the figures are similar. Find the value of each variable. solve
What is to find the value of a numerical or algebraic expression?
to solve for the variable
How do you find the value of y in algebra?
You solve an equation containing y.
When you find the value of a variable you solve or check an equation?
when you find the value, you SOLVED the equation. you CHECK the equation when you substitute the value in the variables place and check that the equation is true.
What does it mean to solve a polynomial?
Find values of the variable for which the value of the polynomial is zero.
How do you find the value of a variable of a proportional ratio?
Cross multiply then solve for the variable.
How do you solve for a in the van der Waals equation?
you don't solve for a, a is a value that's given in a table...you just find it in your text book or somethng,it gives you the value of a for the specific real gas you're working with.
Why they learn calculus?
To solve certain problems that can't be solved with simple algebra. To give just one simple example, find the maximum value of a certain function.To solve certain problems that can't be solved with simple algebra. To give just one simple example, find the maximum value of a certain function.To solve certain problems that can't be solved with simple algebra. To give just one simple example, find the maximum value of a certain function.To solve certain problems that can't be solved with simple algebra. To give just one simple example, find the maximum value of a certain function.
How do you solve simultanious equations?
By eliminating or substituting one of the variables in the two equations in order to find the value of the other variable. When this variable is found then substitute its value into the original equations in order to find the value of the other variable.
What term means to solve?
To solve something is to find a value or situation such that a given statement or situation is true. A puzzle, a crossword, an equation, a crime etc may be solved.
How do you evaluate equations?
To evaluate means to find the value. Substitute the values of the variables and calculate the value. [You may need to solve for the values of the variables first.]
How doI solve system of equations by substitution?
Assuming the simplest case of two equations in two variable: solve one of the equations for one of the variables. Substitute the value found for the variable in all places in which the variable appears in the second equation. Solve the resulting equation. This will give you the value of one of the variables. Finally, replace this value in one of the original equations, and solve, to find the other variable.
