Which first step for solving the given system using substitution results in an equation without fractions? -1.jWhat is the solution to the system of equations? mc015-1. (4, 7) (7, 4) (12, 5) (5, 12)

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.

step-by-step explanation:

divide, then simplify your answer.

1. make -15.66 ÷   5.8 a fraction. then divide.

2. simplify.  

3. final answer.  

thats not a system of equations, that is a solution