Answer:
x=1
Step-by-step explanation:
12x -3 + x =5x - 4 +8x +1
13x-3=13x - 3
+3 +3
____________-
13x=13x
÷13x ÷13x
_________
x=1
Hope this helps :D (idk if its right srry if not)
Essentially look at your formula sheets, Take notes on your assessment questions and you should be fine.
Answer:
Deci (símbolo d) es un prefijo del Sistema Internacional que indica un factor de 10−1 (1/10) o una décima parte.
Answer:

Step-by-step explanation:
• 
Let's use FOIL (first, outer, inner, last) to solve this. We'll multiply the terms by one another in that fashion.

Rearrange in decreasing exponents.

Answer:o
Step-by-step explanation:
becuse if you felp it you the aswer