Solve the System $\left\{ \begin{array} { l } x + y = - 6 \\x - 2 y = 1\end{array} \right.$

question 86

Essay

Solve the system. $\left\{ \begin{array} { l } x + y = - 6 \\x - 2 y = 1\end{array} \right.$

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Definitions:

World's Population

The current population of humans inhabiting the planet.

LDCs

Less Developed Countries, which are countries that exhibit the lowest indicators of socioeconomic development.

Birth Rate

The number of live births per thousand people in a population within a given year.

LDCs

Less Developed Countries, which are nations with lower levels of income, industrialization, and modernization.