How do you solve $3y – 4 = 2y – 5$ ?

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Answer 1 · 2016-01-22T23:05:54

$3y-4=2y-5$

Subtract $color(purple)2y$ from both sides

$implies 3y-color(purple)2y-4=2y-color(purple)2y-5$
$implies y-4=-5$

Add $color(blue)4$ on both sides

$implies y-4+color(blue)4=-5+color(blue)4$

$impliesy=-1$

How do you solve 3y – 4 = 2y – 5 3y – 4 = 2y – 5?