Move all terms containing a to the left side of the equation.
Subtract 3a-115 from both sides of the equation.
To write 2a as a fraction with a common denominator, multiply by 55.
Combine 2a and 55.
Combine the numerators over the common denominator.
Simplify the numerator.
Multiply 5 by 2.
Apply the distributive property.
Multiply 3 by -1.
Multiply -1 by -11.
Subtract 3a from 10a.
Multiply both sides of the equation by 5.
Multiply 0 by 5.
Subtract 11 from both sides of the equation.
Divide each term by 7 and simplify.
Divide each term in 7a=-11 by 7.
Cancel the common factor of 7.
Cancel the common factor.
Divide a by 1.
Move the negative in front of the fraction.
The result can be shown in multiple forms.
Mixed Number Form:
Solve for a 2a=(3a-11)/5