Systems of linear equations: Two equations with two unknowns
Solving systems of linear equations by substitution
Solve the following system of equations.
\[\lineqs{x-2\cdot y&=&-6\cr
7\cdot x+6\cdot y&=&-9\cr }\]
\[\lineqs{x-2\cdot y&=&-6\cr
7\cdot x+6\cdot y&=&-9\cr }\]
Unlock full access
Teacher access
Request a demo account. We will help you get started with our digital learning environment.