Examlex
Find the solution to the system by addition (elimination) method.
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2001
A year notable for several global events, including the September 11 terrorist attacks in the United States, which had a profound impact on the world.
Heart Disease
A range of conditions that affect the heart, including coronary artery disease, heart rhythm problems (arrhythmias), and heart defects present at birth, among others.
Life Expectancy
The average number of years an individual or population is expected to live, based on statistical analysis.
Sierra Leone
A country in West Africa, known for its rich history, diverse culture, and as the scene of a brutal civil war in the 1990s.
Q10: <span class="ql-formula" data-value="\sqrt { \frac { 1
Q31: A tour bus is traveling along a
Q42: <span class="ql-formula" data-value="f ( x ) =
Q42: <span class="ql-formula" data-value="\left( \mathrm { b }
Q43: <span class="ql-formula" data-value="\begin{array}{l}(x)=x^{3} \\(x)=(x+5)^{3}+7\end{array}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mtable
Q44: <span class="ql-formula" data-value="\sqrt { \sqrt [ 9
Q54: 3x + y = 12 9x
Q58: <span class="ql-formula" data-value="\begin{array}{l}(x)=|x| \\y(x)=|x-4|+1\end{array}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mtable
Q63: <span class="ql-formula" data-value="f ( x ) =
Q189: <span class="ql-formula" data-value="\frac { x } {