Math, asked by bhsbricknerha, 3 months ago

HOw do you do a linear Equation using substitution

Answers

Answered by swathi21025
1

Answer:

How to Solve a System Using The Substitution Method:

Step 1 : First, solve one linear equation for y in terms of x .

Step 2 : Then substitute that expression for y in the other linear equation. You'll get an equation in x .

Step 3 : Solve this, and you have the x -coordinate of the intersection.

Step 4 : Then plug in x to either equation to find the corresponding y -coordinate.

Note 1: If it's easier, you can start by solving an equation for x in terms of y , also – same difference!

Note 2 : If the lines are parallel, your x -terms will cancel in step 2 , and you will get an impossible equation, something like 0=3 .

Note 3 : If the two equations represent the same line, everything will cancel in step 2 , and you will get a redundant equation, 0=0 .

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