# Solve Problems 2534 using substitution or elimination by addition. 3x - = -9 -2x + 4y

## Question:

Solve Problems 25–34 using substitution or elimination by addition.

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**Related Book For**

## College Mathematics For Business Economics Life Sciences And Social Sciences

**ISBN:** 9780321945518

13th Edition

**Authors:** Raymond Barnett, Michael Ziegler, Karl Byleen