The equation is .
The matrices have the same dimensions and the corresponding elements are equal.
\The equality can be written as two linear equations.
\ Equation (1)
Equation (2)
Consider the equation .
Apply subtraction property of equality; if , then
.
(Subtract 4 from each side)
(Apply Additive inverse property: 4
4 = 0)
(Subtract: 9
4 = 5)
Next consider the equation .
Apply division property of equality; if , then
.
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
The solution is ,
.