Add like terms. "Like terms" are those with the same constellation of variables.
.. terms with variable x: 5x +3x = (5 +3)x = 8x
.. terms with no variable: -9 -20 = -29
The simplified form is 8x -29.
0.25=25/100=1/4. 1/4×84=84/4=21. The answer is 21
Answer: 2nd option
Step-by-step explanation:
The answer for x is
x = 1.2