Solve for y. enter your answer in the box. an equilateral triangle a b c. side b c is the base. sides a b, b c, and a c are equal. sides a b, b c, and a c are labeled with single tick marks. angle a is labeled as left parenthesis 5 y plus 10 right parenthesis degrees, and angle c is labeled as left parenthesis 6 x plus 6 right parenthesis degrees.