# Chapter 2 - Solving Equations - Pull it All Together - Page 151: Task 2C

$x=-\frac{21}{8}$

#### Work Step by Step

$\frac{x-3}{5} = \frac{3x}{7}$ cross multiply $(x-3) * 7 = (3x) * 5$ distribute $7x-21 = 15x$ subtract 7x from both sides -21= 8x divide both sides by x $x=-\frac{21}{8}$

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