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Math Problems
Algebra 1
Multiply two matrices
What value of
x
x
x
makes the equation below true?
\newline
10
x
+
8
=
78
10 x+8=78
10
x
+
8
=
78
\newline
4
4
4
\newline
7
7
7
\newline
8
8
8
\newline
9
9
9
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