tweety1 tweety1

02-02-2015
Mathematics

contestada

x+y=10 x-y=20 how do you solving systems of equations with elimination

Respuesta :

konrad509 konrad509

02-02-2015

[tex]x+y=10\\ \underline{x-y=20}\\ 2x=30\\ x=15\\\\ 15+y=10\\ y=-5\\\\ \boxed{(x,y)=(15,-5)}[/tex]

Answer Link

Otras preguntas

Albert Einstein published his first paper at the age of _____.

Which would best illustrate the percentage of students that received As, Bs, Cs, Ds, and Fs on recent test ? A) pie graph B) histogram C) data table D) line

The famous book on economics, The Wealth of Nations, was written by _____. A.) Adam Sandler B.) Adam Jones C.) Adam Smith D.) Adam Jackson

When Benito Mussolini came into power, he promised to solve Italy’s economic problems. abolish totalitarian government. prevent violence and terrorism. introduc

which statement about exothermic reactions is accurate

What is the value of tan A.

Why are most of Earth's deserts located in the subtropical zone? A. These regions receive less sunlight than the equatorial region. B. These regions ar

Which of the following statements best describes the Allied nations' response to the Holocaust? 1. Allied nations immediately released the prisoners of their ow

Suppose f(x) = x^2. what is the graph of g(x) = f(2x)?

Can someone plz help with inequalities. PLZ EXPLAIN!!! Just everything to do with them. Thanks