SOLUTION: 3x + 4 = 19 3x = 15 x = 5 Can you please teach me how to get to the answer x=5

Question 635015: 3x + 4 = 19
3x = 15
x = 5
Can you please teach me how to get to the answer x=5
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
3x + 4 = 19

we have to keep the variable x on one side of the equation. lets keep it on the left hand side of the equation. 4 has to be moved to the right hand side of the equation.
How do we remove the 4
add -4 on both sides
3x+4 -4 = 19-4
+4 & -4 cancel off
3x= 15
To find the value of x the co efficient of x should be 1
so we divide both sides by 3

x= 5
m.ananth@hotmail.ca

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