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Linear Equation Solver Trick You Should Know !

A linear equation  is made up of two expressions set equal to each other. In a linear equation in x and y, x is called x is the independent variable and y depends on it. You call y the dependent variable. If the variables have other names, yet do have a dependent relationship, the independent variable is plotted along the horizontal axis. Most linear equations are functions (that is, for every value of x, there is only one corresponding value of y). Presenting before you linear equations in two variables solver image which you should carefully observe .

What is a Linear Equation ?:
Linear equation can be understood to be a mathematical expression that has an equal sign and linear expressions

What is a Variable?
Variable is a number that you don’t know, often represented by “x” or “y”.but any letter will do!

Linear Equation Solver Trick

Watch the image below carefully to understand the linear equation solver.

linear equation

 Practice on Linear Equation Worksheet

Her are five mathematical practice questions which you should practice after , you have have understood the trick .

 1 .    7x – 15y = 12

x + 2y = 3

Options

  1. 10/29, 9/29
  2. 49/29, 19,29
  3. 39/29, 7/29
  4. 11/29, 3/29

 2.     8x + 7y = 38

3x – 5y = -1

Options

  1. 6,4
  2. 1,2
  3. 3, 2
  4. 3,4

 3.          5x + 2y = 4

-2x + y = 11

Options

  1. -3, 6
  2. -2, -2
  3. -5, 2
  4. -2, 7

4.           30x − 6y = 3

−10x + 5y = 4

Options

  1. 13/30 , 5/3
  2. 2/5 , 5/3
  3. 13/30 , 2/3
  4. 17/3 , 5/3

 5.           7x + 2y = −1

5x − 3 y = −14

  1. 2 , -4
  2. -1 , 3
  3. 3 , -5
  4. 4 , 2

Answers :

1= (ii) , 2 =(iii) , 3=(iv) ; 4= (i) ; 5=(ii)

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