## College Algebra (6th Edition)

$[6,∞ )$
Break down the parentheses on the left side and combine the terms. Then add subtract $-2$ and add $2x$ on both sides. $1-(x+3)\geq4-2x$ $1-x-3\geq4-2x$ $-2-x\geq4-2x$ $x\geq6$ $[6,∞ )$