Solve for x. 5 x − 19 ≤ 1 or − 4 x + 3 < − 6

change

given you

making x the subject by transferring the -19 to the right hand side of the equation

dividing through by 5

{}

also given

change the operation sign to =

dividing through by -4

so the truth set is

{x:x>9/4}.

The < sign changes to > because we divided by a negative number when solving for x

£56

step-by-step explanation:

(w – 2.5)(w + 2.5)

(–4v – 9)(–4v + 9)

step-by-step explanation: