3u+5+25=u+90-50

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Solution for 3u+5+25=u+90-50 equation: 



3u+5+25=u+90-50

We move all terms to the left:

3u+5+25-(u+90-50)=0

We add all the numbers together, and all the variables

3u-(u+40)+5+25=0

We add all the numbers together, and all the variables

3u-(u+40)+30=0

We get rid of parentheses

3u-u-40+30=0

We add all the numbers together, and all the variables

2u-10=0

We move all terms containing u to the left, all other terms to the right

2u=10

u=10/2

u=5

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