Combine u and 12.
Move all terms not containing u to the right side of the equation.
Add 45 to both sides of the equation.
To write -13 as a fraction with a common denominator, multiply by 55.
To write 45 as a fraction with a common denominator, multiply by 33.
Write each expression with a common denominator of 15, by multiplying each by an appropriate factor of 1.
Multiply 13 and 55.
Multiply 3 by 5.
Multiply 45 and 33.
Multiply 5 by 3.
Combine the numerators over the common denominator.
Simplify the numerator.
Multiply 4 by 3.
Add -5 and 12.
Multiply both sides of the equation by -2.
Simplify both sides of the equation.
Cancel the common factor of 2.
Move the leading negative in -u2 into the numerator.
Factor 2 out of -2.
Cancel the common factor.
Rewrite the expression.
Multiply -1 by -1.
Multiply u by 1.
Combine -2 and 715.
Multiply -2 by 7.
Move the negative in front of the fraction.
The result can be shown in multiple forms.
Solve for u -4/5-1/2u=-1/3