2 years ago

Twelve added to a number equals 18 find the number

Mathematics

2 answers:

tatyana61 [14]2 years ago

5 0

2x - 8 = x +10
x = 18, by subtracting 'x' from both sides, and adding 8 to both sides.

faltersainse [42]2 years ago

3 0

The answer is the number 6

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Step-by-step explanation:

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Neporo4naja [7]

Answer:

m = 6

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Equality Properties
Combining Like Terms

Geometry

Complementary Angles - Angles that add up to 90°

Step-by-step explanation:

Step 1: Set Up Equation

The 2 angles must add up to 90°.

(8m + 4)° + 38° = 90°

Step 2: Solve for m

Combine like terms: 8m + 42 = 90
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