2u-7=-1

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Solution for 2u-7=-1 equation: 


Simplifying
2u + -7 = -1

Reorder the terms:
-7 + 2u = -1

Solving
-7 + 2u = -1

Solving for variable 'u'.

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

Add '7' to each side of the equation.
-7 + 7 + 2u = -1 + 7

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

Combine like terms: -1 + 7 = 6
2u = 6

Divide each side by '2'.
u = 3

Simplifying
u = 3

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