Question

2=2(u–2)
can some on help

Answer 1

\[ 2=2(u–2) \]
\[ 2=2u-4 \]
\[ 6=2u \]
\[\frac{6}{2}=u\]
\[ ????=u \]

Answer 2

i dont under stand

Answer 3

@florisalreadytaken would linking the equation in a graphing calculator count as a direct answer?

Answer 4

well, first we get rid of the paranthesis, by multiplying EVERY variable in it by 2:
\[ 2=\color{lightskyblue}2(u–2) \overset{u\times 2,~ and ~-2 \times 2}{======= \Rightarrow } 2=\color{lightskyblue}{2u}−\color{lightskyblue}4 \]
is that part clear?

Answer 5

yea

Answer 6

great.

so what we want to do is slowly solve for \(u\) step by step.

we can see that we can move the \(-4\) to the other side, always with the opposite operator (opposite of negative is positive.) thats why we get:
\[ 2=2u−4 ~~\Rightarrow ~~ \color{tomato}{2+4}=2u ~~ \Rightarrow ~~ \color{tomato}6=2u \]
clear?

Answer 7

kinda the answer choice it gave me is u=3 and u=5

Answer 8

so, you have 2u=6, so what is multiplied by 2 to make 6?

Answer 9

u=3 how did i not notice that