Khan/khan-exercises — Issue #8149: Systems of equations with substitution -  instead of the equation
Author: KhanBugz
Created: 2011-12-08 18:46:22+00:00
State: open
Labels: firefox, not-showing, win7

Reporter: jquiroz.sj@mysummitps.org

this is what came up:

Solve for x and y using substitution.

\color{BLUE}{expr(["+", ["*", A1, "x"], ["*", B1, "y"]]) = C1}
x = expr(["+", ["*", -B2, "y"], C2])

x = X

y = Y

[systems_of_equations_with_substitution.html?seed=155&problem=substitution-x](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations_with_substitution.html?seed=155&problem=substitution-x&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations_with_substitution.html?seed=155&problem=substitution-x&debug&activity=undefined)

undefined

Mozilla/5.0 (Windows NT 6.1; rv:5.0.1) Gecko/20100101 Firefox/5.0.1

MathJax is loaded, ready, queue length: 0