1+7u-2u=

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Solution for 1+7u-2u= equation: 


Simplifying
1 + 7u + -2u = 0

Combine like terms: 7u + -2u = 5u
1 + 5u = 0

Solving
1 + 5u = 0

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + 5u = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 5u = 0 + -1
5u = 0 + -1

Combine like terms: 0 + -1 = -1
5u = -1

Divide each side by '5'.
u = -0.2

Simplifying
u = -0.2

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