Solve the System by Using the Substitution Method $$\left( \begin{array} { c } x + 2 y = 5 \\2 x + 4 y = - 1\end{array} \right)$$

question 80

Short Answer

Solve the system by using the substitution method. $$\left( \begin{array} { c } x + 2 y = 5 \\2 x + 4 y = - 1\end{array} \right)$$

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Definitions:

Focuses Light

The process of adjusting the path of light rays to converge at a point or to spread out from a point.

Retina

The light-sensitive layer of tissue at the back of the inner eye, which includes rods and cones that process visual images and send them to the brain.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, responsible for focusing most of the light that enters the eye.

Purity

The condition or quality of being free from contamination, pollutants, or immoral behavior; often associated with cleanliness or moral wholesomeness.