Home > INT1 > Chapter 7 > Lesson 7.1.2 > Problem 7-27
7-27.
Solve each system.
Read Math Notes box in Lesson 6.2.3 on the substitution method.
There is no solution.
Solve the lower equation for
, and then substitute the expression for into the top equation and solve.
Substitute
for y in the second equation.
Multiply the entire second equation by
Add the equations together.