2 years ago

Find X Coordinates are: 3x, 3x+10, 2x+10

Mathematics

1 answer:

lisabon 2012 [21]2 years ago

8 0

Answer:

D. 20

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Geometry

All angles in a triangle add up to 180°

Step-by-step explanation:

Step 1: Set Up Equation

3x + 3x + 10 + 2x + 10 = 180

Step 2: Solve for x

Combine like terms: 8x + 20 = 180
Isolate x term: 8x = 160
Isolate x: x = 20

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