Algebra 1

$-3(w-3)\geq9-3w\longrightarrow$ multiply using the distributive property $-3w+9\geq9-3w\longrightarrow$ add 3w to each side $-3w+9+3w\geq9-3w+3w\longrightarrow$ add $9\geq9$ Since 9 is always greater than or equal to 9, the solution is all real numbers.