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Ch. 1 - Equations and Inequalities
Lial - College Algebra 13th Edition
Lial13th EditionCollege AlgebraISBN: 9780136881063당신이 사용하는 게 아니라요?교과서 변경
2장, 문제 65

Solve each equation. 10/(4x-4) = 1 /(1-x)

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Start by rewriting the equation clearly: \(\frac{10}{4x - 4} = \frac{1}{1 - x}\).
Identify the denominators on both sides: \(4x - 4\) and \(1 - x\). Notice that \(4x - 4\) can be factored as \(4(x - 1)\).
To eliminate the fractions, multiply both sides of the equation by the least common denominator (LCD), which is \(4(x - 1)(1 - x)\). Remember that \(x - 1\) and \(1 - x\) are negatives of each other.
After multiplying both sides by the LCD, simplify the resulting equation by canceling denominators and carefully handling the signs.
Solve the resulting linear equation for \(x\), then check your solution(s) to ensure they do not make any denominator zero in the original equation.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Solving Linear Equations

Solving linear equations involves finding the value of the variable that makes the equation true. This typically requires isolating the variable on one side by performing inverse operations such as addition, subtraction, multiplication, or division.
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04:02
Solving Linear Equations with Fractions

Working with Fractions in Equations

When equations contain fractions, it is important to find a common denominator or use cross-multiplication to eliminate the fractions. This simplifies the equation and makes it easier to solve for the variable.
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04:02
Solving Linear Equations with Fractions

Distributive Property and Simplification

The distributive property allows you to multiply a single term across terms inside parentheses. Simplifying expressions by distributing and combining like terms is essential before isolating the variable in an equation.
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가이드 코스
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Multiply Polynomials Using the Distributive Property