Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Solve the following system of equations using the *substitution* method:
8
x
−
3
w
=
7
4
x
+
w
=
11
\begin{aligned} 8x - 3w &= 7 \\ 4x + w &= 11 \end{aligned}
8
x
−
3
w
4
x
+
w
=
7
=
11
Verify by substituting your values into both equations above.
Browse the problem library