a) \(x + y = 0,5\) \(2x - 4y = 0,4\)
Added by Sara B.
Close
Step 1
5. To do this, we can isolate one variable and substitute it into the other equation. Let's isolate x in the first equation: x = 0.5 - y Now, substitute this value of x into the second equation: 2(0.5 - y) + 3(4y) = 0.4 Simplify the equation: 1 - 2y + 12y = Show more…
Show all steps
Your feedback will help us improve your experience
Piyush Kumar Gupta and 89 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
y'' + 4y' + 4y = (3 + x)e^{-2x}, y(0) = 2, y'(0) = 5
Linda H.
Solve the equation. $$0.5(y+2)-0.3=0.4 y+0.5$$
Linear Equations and Inequalities
Formulas and Applications of Geometry
Solve each system by addition. $$\begin{array}{r} -0.2 x+0.4 y=0.6 \\ x-2 y=-3 \end{array}$$
Systems of Equations and Inequalities
Systems of Linear Equations: Two Variables
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Watch the video solution with this free unlock.
EMAIL
PASSWORD