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How to Simultaneous Equation using substitution method

How to Simultaneous Equation using substitution method Question: Find the values of  x and y in the equations below 3 x + 2 y = 6 5 x − y = 8 Solution Using substitution method 3 x + 2 y = 6 5 x − y = 8 To solve a pair of equations using substitution, first solve one of the equations for one of the variables. Then substitute the result for that variable in the other equation 3 x + 2 y = 6 , 5 x − y = 8 Choose one of the equations and solve it for  x  by isolating  x  on the left hand side of the equal sign. 3 x + 2 y = 6 Subtract  2 y  from both sides of the equation. 3 x = − 2 y + 6 Divide both sides by  3 . x = 3 1 ​ ( − 2 y + 6 ) Multiply  3 1 ​  times  − 2 y + 6 . x = − 3 2 ​ y + 2 Substitute  − 3 2 y ​ + 2  for  x  in the other equation,  5 x − y = 8 . 5 ( − 3 2 ​ y + 2 ) − y = 8 Multiply  5  times  − 3 2 y ​ + 2 . − 3 1 0 ​ y + 1 0 − y = 8 Add  − 3 1 0 y ​  to  − y  ...