## Algebra 1

$4x-y=7$
We are given: $y+3=4x-4$ Try fliping the equation to make solving it easier: $4x-4=y+3$ Then subtract y on both sides: $4x-4-(y)=y-(y)+3$ $4x-4-y=3$ Then add 4 to both sides: $4x-4+(4)-y=3+(4)$ $4x-y=7$