# Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding - Page A11: 63

$22$

#### Work Step by Step

Substitute the given values of the variables into the expression: $\left| 4x-5y\right| =\left| 4\times 3-5\times \left( -2\right) \right| =\left| 12-\left( -10\right) \right| =\left| 12+10\right| =\left| 22\right| =22$

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