Math Problem Statement
Solve for the solutions
−4x − 2y = −12 4x + 8y = −24
Solution
We are given the system of linear equations:
Step 1: Simplify the equations if possible
We can divide both sides of the first equation by to simplify it: -4x - 2y = -12 \quad \Rightarrow \quad 2x + y = 6 \tag{1}
The second equation can also be simplified by dividing both sides by : 4x + 8y = -24 \quad \Rightarrow \quad x + 2y = -6 \tag{2}
Now, we have the simplified system:
Step 2: Solve using substitution or elimination
Let's use the substitution method. From equation (2), solve for : x = -6 - 2y \tag{3}
Step 3: Substitute into equation (1)
Substitute into equation (1):
Step 4: Solve for
Now, substitute into equation (3):
Solution:
The solution to the system is:
Would you like more details, or have any questions?
Here are 5 related questions for further practice:
- Solve the system: and .
- Solve using the elimination method: and .
- Find the intersection point of the lines and .
- Solve the system of equations: and .
- Solve for and : and .
Tip: Always check your solutions by substituting the values of and back into the original equations!
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
System of Equations
Formulas
Equation Simplification
Substitution Method
Theorems
Properties of Equality
Suitable Grade Level
Grades 8-10
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