Solve the System $\begin{array} { l } x - 3 y = 15 \\x - 4 y = 17\end{array}$

question 22

Multiple Choice

Solve the system.
$\begin{array} { l } x - 3 y = 15 \\x - 4 y = 17\end{array}$
What is the value of $x$ ?

• A) 8
• B) -2
• C) 9
• D) 10

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Definitions:

Genotypes

The genetic makeup of an organism, representing its specific set of genes.

Black Coat Color

A genetic trait resulting in a dark pigmentation of the skin, fur, or feathers in various animals, often due to the presence of melanin.

Spotted

Marked with spots; a pattern that can occur naturally in skins, coats, leaves, etc., often for camouflage or signaling.

Incomplete Dominance

Inheritance pattern in which one allele is not fully dominant over another, so the heterozygous phenotype is an intermediate blend between the two homozygous phenotypes.