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Question

Is x=3 and y=4 a solution of 2y+3x+1=0

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Solution

Substituting x = -3 and y = 4 in the LHS of the equation

LHS = 2y +3x +1
= 2(4) + 3(-3) +1
= 8 -9 +1
= 0
= RHS

Since x = -3 and y = 4 satisfies the given equation
Therefore, x = -3 and y = 4 is the solution of the equation.

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