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-5a + 54 = ( -4a + 13.89 )
We simplify the equation to the form, which is simple to understand
-5a+54=(-4a+13.89)
Remove unnecessary parentheses
-5a+54=-4a+13.89
We move all terms containing a to the left and all other terms to the right.
-5a+4a=+13.89-54
We simplify left and right side of the equation.
-1a=-40.11
We divide both sides of the equation by -1 to get a.
a=40.11
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