6x+9=-3x-21-6 solve for x

Step-by-step explanation:

6x + 9 = -3x - 21 -6 solve for x

combine similar terms: 6x + 3x = -21 - 6 - 9

simplify: 9x = -36

divide 9 each side x = -4

n

step-by-step explanation:

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt