maxie2
maxie2
02-12-2016
Mathematics
contestada
x+2=3x+8
geometry
solve for x
Respuesta :
mahomie4life749
mahomie4life749
02-12-2016
x+2=3x+8
Subtract 3x from both sides
x+2
−
3x
=
3x
+8
−
3x
−
2x
+2
=
8
Subtract 2 from both sides
-2x+2-2=8-2
-2x=6
Then divide both sides by -2
You get x= -3
Answer Link
Cerv
Cerv
02-12-2016
x + 2 = 3x + 8
(Subtract 8 over)
x - 6 = 3x
(Commutative property, x on the left is easier to understand usually)
3x = x - 6
(Subtract x over)
2x = 6
(Divide both sides by 2)
x = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 35+ )
Otras preguntas
Need to find angle R
whats the sum of -5+(-6)
Which part of the cell keeps nutrients balanced within the cell by removing waste and bringing in needed nutrients?
What was the first true civilization among the Greek people ?
are fragments with the same number of base pairs always the same exact fragment?
Answer the question in a complete French sentence. You may copy and paste the accented characters from this list if needed: Àà Ââ Ää Çç Éé Èè Êê Ëë Îî Ïï Ôô Œœ
What are the coefficients in the expression 24x-3y+7z?
Where was the ancient region of Mesopotamia located? A. Africa B. Europe C. Middle East D. South America (Thanks for your help ;u;)
I saw a cd that cost 24 dollars but there is a discount of 10% and in my bag I have 20 dollars do I have enough money to buy it
Six numbers that are perfect squares