Solve the given linear equation using addition and subtraction properties of equality.
Table of contents
- 1. Review of Real Numbers2h 43m
- 2. Linear Equations and Inequalities5h 35m
- 3. Solving Word Problems2h 46m
- 4. Graphs and Functions5h 12m
- The Rectangular Coordinate System44m
- Graph Linear Equations in Two Variables24m
- Graph Linear Equations Using Intercepts23m
- Slope of a Line44m
- Slope-Intercept Form38m
- Point Slope Form22m
- Linear Inequalities in Two Variables28m
- Introduction to Relations and Functions53m
- Function Notation15m
- Composition of Functions17m
- 5. Systems of Linear Equations1h 53m
- 6. Exponents, Polynomials, and Polynomial Functions3h 17m
- 7. Factoring2h 49m
- 8. Rational Expressions and Functions3h 44m
- Simplifying Rational Expressions42m
- Multiplying and Dividing Rational Expressions25m
- Adding and Subtracting Rational Expressions with Common Denominators19m
- Least Common Denominators32m
- Adding and Subtracting Rational Expressions with Different Denominators32m
- Rational Equations44m
- Direct & Inverse Variation27m
- 9. Roots, Radicals, and Complex Numbers2h 33m
- 10. Quadratic Equations and Functions3h 1m
- 11. Inverse, Exponential, & Logarithmic Functions1h 5m
- 12. Conic Sections & Systems of Nonlinear Equations58m
- 13. Sequences, Series, and the Binomial Theorem1h 51m
2. Linear Equations and Inequalities
Solving Linear Equations
Multiple Choice
Solve the given linear equation using multiplication and division properties of equality.
A
x=64
B
x=−64
C
x=−8
D
x=8
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Verified step by step guidance1
Start with the given linear equation: \(-8x = 64\).
To isolate \(x\), use the multiplication property of equality by multiplying both sides of the equation by the reciprocal of \(-8\), which is \(-\frac{1}{8}\).
Multiply both sides: \(\left(-\frac{1}{8}\right)(-8x) = \left(-\frac{1}{8}\right)(64)\).
Simplify the left side: \(\left(-\frac{1}{8}\right)(-8x) = x\) because \(-\frac{1}{8} \times -8 = 1\).
Simplify the right side by multiplying \$64\( by \(-\frac{1}{8}\) to find the value of \)x$.
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