4=4(u+2)-8u

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Solution for 4=4(u+2)-8u equation:



4=4(u+2)-8u
We move all terms to the left:
4-(4(u+2)-8u)=0
We calculate terms in parentheses: -(4(u+2)-8u), so:
4(u+2)-8u
We add all the numbers together, and all the variables
-8u+4(u+2)
We multiply parentheses
-8u+4u+8
We add all the numbers together, and all the variables
-4u+8
Back to the equation:
-(-4u+8)
We get rid of parentheses
4u-8+4=0
We add all the numbers together, and all the variables
4u-4=0
We move all terms containing u to the left, all other terms to the right
4u=4
u=4/4
u=1

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