Answer:
x=5
Explanation:
Move the variable to the left-hand side and change its sign. Move constant to the right-hand side and change its sign.
-8.75x+5.25x = -3.5-14
Collect like terms
-3.5x = -17.5
Divide both sides of the equation by -3.5
x=5
Hope this helpsʕ•ᴥ•ʔ