# alebratic propertys

Can someone help me solve these

m1=(3x+20)
m3=5x-16
(Vertical Angles are Congruent)

a.) _____ = (5x - 16) (Substitution)

b.) -2x + 20 = _____ (Subtraction Prop. of Equality)

c.) -2x = _____ (Subtraction Prop. of Equality)

d.) x = _____ (Division Prop. of Equality

1. 👍
2. 👎
3. 👁

## Similar Questions

1. ### Math

1. Two angles whose sides are opposite rays are called _____ angles. Two coplanar angles with a common side, a common vertex, and no common interior points are called ____ angles. A. Adjacent; vertical B. adjacent; complementary

2. ### math

Find m∠BAC and m∠DAB in the figure shown below. 1. Line upper D upper C is shown intersecting with line upper E upper B at point upper A. The angle upper E upper A upper D is labeled 80 degrees. A. m∠BAC=80° and

3. ### Math

1. Which property is NOT a characteristic of a parallelogram? A. Opposite sides are not congruent B. All angles are congruent** C. Opposite sides are parallel D. Opposite angles are congruent

4. ### Math

Which statements are always true about regular polygons? Select all that apply. All sides are congruent •• Pairs of sides are parallel All angles are congruent •• All angles measure 90 degree Correct me if I'm wrong!!

1. ### math

Which statements about a rhombus are always true? Its diagonals are congruent. All angles are congruent. All sides are congruent. Its diagonals are Û to each other.

2. ### Geometry

Based on the information in the diagram, can you prove that the figure is a parallelogram? Explain. a. Yes; opposite sides are congruent. b. Yes; opposite angles are congruent. c. No; you cannot prove that the quadrilateral is a

3. ### math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. A triangle has 2 congruent sides. The angle between the 2 congruent sides is labeled x. The angles opposite of the 2

4. ### Math

Which statement is always true about a parallelogram? A. It has 4 congruent sides B. It has 4 right angles. C. It has opposite angles that are congruent. D. The sum of any 3 angles is 360 Is it a?

1. ### Geometry

Help! I'm so confused :( 1. Supply the missing reasons to complete the proof. Given: angle Q is congruent to angle T and line QR is congruent to line TR Prove: line PR is congruent to line SR Statement | Proof 1. angle Q is

2. ### geometry

Which description does NOT guarantee that a trapezoid is isosceles? A. congruent bases B. congruent legs C. both pairs of base angles congruent D. congruent diagonals

3. ### Math

Each of the following statements describes a quadrilateral. Which of the quadrilaterals are NOT parallelograms? Choose three. 1: The diagonals are congruent, but the quadrilateral has no right angles. 2: Two consecutive sides are

4. ### geometry

Which of the following statements are false? a. vertical angles are congruent b. angles with measures between 0 degrees and 90 degrees are complementary*** c. straight angles are supplementary**** d. angles with measures between