Solve the following system of equations by using the substitution method. x – y = 3 2x + 2y = 2 (3, 4) (-4, 5) (2, -1)

Solution :

Given equations,

Applying Substitution method to solve the equation.

Solve the first equation for x,

Substitute the value of x in second equation,

To calculate the value of  x  substitute the value of y in first equation

Hence, the solution of the equations is (2,-1).

the answer is d

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