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
.
According subtraction property of equality; if
, then
;
(Subtract 4 from each side).
(Apply Additive inverse property: 4 - 4 = 0)
(Subtract:
)
Next consider the equation
.
(Divide each side by 2).
(Cancel common terms)
(Divide:
)
The solution is
,
.