2 answers:
Answer:
x = -53/8
Step-by-step explanation:
6(2x + 7) = 5x - 11 - x
12x + 42 = 5x -11 - x (Distributive property)
12x + 42 = 4x - 11 (Subtraction property)
8x + 42 = -11 (Subtraction Property)
8x = -53 (Subtraction Property)
<u><em>x = -53/8</em></u>
Answer:
x = -53/8
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
6(2x + 7) = 5x - 11 - x
<u>Step 2: Solve for </u><em><u>x</u></em>
- Combine like terms: 6(2x + 7) = 4x - 11
- Distribute 6: 12x + 42 = 4x - 11
- [Subtraction Property of Equality] Subtract 4x on both sides: 8x + 42 = -11
- [Subtraction Property of Equality] Subtract 42 on both sides: 8x = -53
- [Division Property of Equality] Divide 8 on both sides: x = -53/8
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Answer:
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Step-by-step explanation:
I am assuming this is a right triangle. We use Pythagoras theorem:
h^2 = 6^2 + 8^2
h^2 = 100
h = 10 feet.
Simple..you get the RAtional answer of...
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Thus, your answer.
B)
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