X+4+3x =
4x+4 (you sum the like terms )
Answer:
y=-24
Step-by-step explanation:
hope this will help you
You are right, it's C. I checked in geogebra bro/girly/dude.
Hope this helps !
Photon
Answer:

Step-by-step explanation:
You can understand the statement from many perspectives, but in terms of proposition logic it is best to understand it as "negation of a" or " b" in mathematical terms is written like this

You can show that they are logically equivalent because they have the same truth table.
Answer:
x = 10
Step-by-step explanation:
30/35 = (6x-6)/63
210x - 210 = 1890
210x = 2100
x = 10