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Find the Values of the Variables for Which the Statement

Question 225

Multiple Choice

Find the values of the variables for which the statement is true, if possible.
- [6−2x0]=[m−4n+480]\left[ \begin{array} { r r } 6 & - 2 \\x & 0\end{array} \right] = \left[ \begin{array} { c c } \mathrm { m } - 4 & \mathrm { n } + 4 \\8 & 0\end{array} \right]


A) m=−6;n=10;x=0\mathrm { m } = - 6 ; \mathrm { n } = 10 ; \mathrm { x } = 0
B) m=10;n=−6;x=8\mathrm { m } = 10 ; \mathrm { n } = - 6 ; \mathrm { x } = 8
C) m=6;n=−2;x=8\mathrm { m } = 6 ; \mathrm { n } = - 2 ; \mathrm { x } = 8
D) m=−10;n=+6;x=−8\mathrm { m } = - 10 ; \mathrm { n } = + 6 ; \mathrm { x } = - 8

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