Solutions
Integral CalculatorDerivative CalculatorAlgebra CalculatorMatrix CalculatorMore...
Graphing
Line GraphExponential GraphQuadratic GraphSin graphMore...
Calculators
BMI CalculatorCompound Interest CalculatorPercentage CalculatorAcceleration CalculatorMore...
Geometry
Pythagorean Theorem CalculatorCircle Area CalculatorIsosceles Triangle CalculatorTriangles CalculatorMore...
Tools
NotebookGroupsCheat SheetsWorksheetsPracticeVerify
en
English
Español
Português
Français
Deutsch
Italiano
Русский
中文(简体)
한국어
日本語
Tiếng Việt
עברית
العربية
Popular >

10x=3(x-21)

  • Pre Algebra
  • Algebra
  • Pre Calculus
  • Calculus
  • Functions
  • Linear Algebra
  • Matrices & Vectors
  • Trigonometry
  • Statistics
  • Physics
  • Chemistry
  • Finance
  • Economics
  • Conversions

Solution

10x=3(x−21)

Solution

x=−9
Solution steps
10x=3(x−21)
Expand 3(x−21):3x−63
10x=3x−63
Move 3xto the left side
7x=−63
Divide both sides by 7
x=−9

Popular Examples

factor 72p+8+9qp+qfactor 72p+8+9qp+q3x-3<93x−3<9factor 16d^2-28d-30factor 16d2−28d−30simplify 81(1/3)simplify 81(31​)simplify (1/8)^{2/3}simplify (81​)32​

Frequently Asked Questions (FAQ)

  • What is the answer to 10x=3(x-21) ?

    The answer to 10x=3(x-21) is x=-9
  • Solve for x: 10x=3(x-21)

    The solution is x=-9
Study ToolsAI Math SolverPopular ProblemsWorksheetsStudy GuidesPracticeCheat SheetsCalculatorsGraphing CalculatorGeometry CalculatorVerify Solution
AppsSymbolab App (Android)Graphing Calculator (Android)Practice (Android)Symbolab App (iOS)Graphing Calculator (iOS)Practice (iOS)Chrome ExtensionSymbolab Math Solver API
CompanyAbout SymbolabBlogHelp
LegalPrivacyTermsCookie PolicyCookie SettingsDo Not Sell or Share My Personal InfoCopyright, Community Guidelines, DSA & other Legal ResourcesLearneo Legal Center
Social Media
Symbolab, a Learneo, Inc. business
© Learneo, Inc. 2024