It means the sum of a number and 3.
Sum means to add up.
Answer:
x = 16.67
Step-by-step explanation:
4x - 6 + 8x - 6 = 180
12x - 14 = 180
+ 14 + 14
12x = 194
/ 12 / 12
x = 16.67
Multiply the one by the 2 and the three by the 2. Put the decimal back in and add the negative sign
Answer:
78.7591264553
Step-by-step explanation:
search google
copy answer sorry that is all I got