## Algebra 1

$2x-y=-5$ or $y-2x=5$
1. This is the equation we are given: $2x+5=y$ Subtract y from both sides: $2x+5-y=y-(y)$ $2x+5-y=0$ Subtract 5 from both sides: $2x+5-(5)-y=0-(5)$ $2x-y=-5$ 2. $2x+5=y$ Just move 2x to the right: $5=y-2x$ Re-arrange and it becomes: $y-2x=5$