Respuesta :

Answer:

x=59

Step-by-step explanation:

Complementary angles add up to 90 degrees therefore...

x+z=90

Substitute 31 for z:

x+31=90

Subtract 31 from both sides

x=59

Answer:

x= 59°

Equation:

x+z°=90°

x+31°=90°

90°-31°=x

90°-31°=59°

Step-by-step explanation:

So if Z and X are complementary angles, means that:

x+z°=90°

So if z=31 then the equation becomes:

x+31°=90°

If we flip the equation to becoming solvable then the equation becomes:

90°-31°=x

Now we solve:

90°-31°=59°

Hopes this helps!!