-3u+1=-20

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Solution for -3u+1=-20 equation: 


Simplifying
-3u + 1 = -20

Reorder the terms:
1 + -3u = -20

Solving
1 + -3u = -20

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 + -3u = -20 + -1

Combine like terms: 1 + -1 = 0
0 + -3u = -20 + -1
-3u = -20 + -1

Combine like terms: -20 + -1 = -21
-3u = -21

Divide each side by '-3'.
u = 7

Simplifying
u = 7

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