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dybincka [34]
3 years ago
15

Which equation, when solved, results in a different value of x than the other three?

Mathematics
2 answers:
aev [14]3 years ago
8 0
Solve each one to find that D is the answer
mart [117]3 years ago
3 0

Answer:  The correct equation is (D) 8.3-0.6x=11.3.

Step-by-step explanation:  We are to select the equation that results in a different value of 'x' than the other three equations.

Let us solve the equations one by one.

(A). We have

8.3=-0.6x+11.3\\\\\Rightarrow -0.6x=8.3-11.3\\\\\Rightarrow -0.6x=-3\\\\\Rightarrow x=\dfrac{3}{0.6}\\\\\Rightarrow x=5.

(B) We have

11.3=8.3+0.6x\\\\\Rightarrow 0.6x=11.3-8.3\\\\\Rightarrow 0.6x=3\\\\\Rightarrow x=\dfrac{3}{0.6}\\\\\Rightarrow x=5.

(C) We have

11.3-0.6x=8.3\\\\\Rightarrow 0.6x=11.3-8.3\\\\\Rightarrow 0.6x=3\\\\\Rightarrow x=\dfrac{3}{0.6}\\\\\Rightarrow x=5.

(D) We have

8.3-0.6x=11.3\\\\\Rightarrow -0.6x=11.3-8.3\\\\\Rightarrow -0.6x=3\\\\\Rightarrow x=-\dfrac{3}{0.6}\\\\\Rightarrow x=-5.

Therefore, we see that the solution of the first three equations is x = 5 and the solution of the last equation is  x = - 5.

Thus, the equation (D) results in a different value of 'x' when solved.Option (D) is correct.

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