Math Problem Statement
If -4x + 7 = -11, then x = ?
Solution
To solve the equation:
we will isolate by following these steps:
-
Subtract 7 from both sides:
-
Divide both sides by -4 to solve for :
Thus, the answer is:
Would you like a further breakdown of the steps? Here are some additional questions that build on this type of problem:
- How would the solution change if the equation were ?
- What is the solution if the equation is ?
- How can you check if a solution is correct in a linear equation?
- If the equation were , what would be the value of ?
- How does changing the sign of in the equation affect the solution?
Tip: When solving linear equations, always perform the same operation on both sides to keep the equation balanced.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Formulas
-4x + 7 = -11
Theorems
Basic principles of solving linear equations
Suitable Grade Level
Grades 7-9