### Home > A2C > Chapter Ch11 > Lesson 11.3.2 > Problem 11-145

11-145.

In the first equation, find the least common denominator and simplify.

*z* + *y* + 2*z* − 2*y* = 4

Now solve for *y*.

Use the same process for the second equation.

Substitute the value you found for *y* into the answer from the second hint.

*y* = 5 *z* = 3