Question

Help me with this question, please.

Answer 1

(x) + (x - 20) = 90

Combine like terms.

2x - 20 = 90

Add 20 to both sides.

2x = 110

Divide both sides by 2.

x = 55

Plug 55 for x in "Complement 2" (see top for reference).

(55) - 20 = 35

Your answer is: 35

Answer 2

Complementary angles add up to 90 degrees.

1. Complement 1: x
2. Complement 2: x - 20 (angle we're trying to find)

Make them add up to 90 in an equation.

(x) + (x - 20) = 90

• Combine like terms.

2x - 20 = 90

• Add 20 to both sides.

2x = 110

• Divide both sides by 2.

x = 55

• Plug 55 for x in "Complement 2" (see top for reference).

(55) - 20 = 35

• Your answer is:

35