Solve the Equation and Check $\frac { r } { 13 } + 2 = 4$

question 166

Short Answer

Solve the equation and check. $\frac { r } { 13 } + 2 = 4$ r = __________

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Definitions:

Autoimmune

Pertaining to diseases or responses where the body's immune system mistakenly attacks its own cells, tissues, or organs.

Ruminants

A group of herbivorous mammals that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, mainly through microbial actions.

Cellulose

Tough, insoluble polysaccharide of glucose monomers; the major structural material in plants.

Microbes

Microscopic organisms, including bacteria, viruses, fungi, and protozoa, that can be either beneficial or harmful to other organisms.