Question

solve the following system of linear equation by substitution method 4 x minus 3 y = 2 8 x - 2y = 2 - 3​

Answer 1

Answer:

Step-by-step explanation:

4x - 3y = 8

4x = 8 + 3y

x = 8 + 3y/4

substitute this in x - 2y = -3

8 + 3y/4 - 2y = -3

On L.C.M,

8 + 3y -8y/4 = -3

3y - 8y + 8 = -12

3y - 8y = -12 -8

-5y = -20

therefore, y = 4

it is given that x = 8 + 3y/4

x = 8 + 3(4)/4

x = 8 + 12/4

x = 20/4

therefore, x is 5

so y is 4 and x is 5

Answer 2

Step-by-step explanation:

solve the following system of linear equation by substitution method 4 x minus 3 y = 2 8 x - 2y = 2 - 3

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