7u+28=-7u+-28

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Solution for 7u+28=-7u+-28 equation: 


Simplifying
7u + 28 = -7u + -28

Reorder the terms:
28 + 7u = -7u + -28

Reorder the terms:
28 + 7u = -28 + -7u

Solving
28 + 7u = -28 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
28 + 7u + 7u = -28 + -7u + 7u

Combine like terms: 7u + 7u = 14u
28 + 14u = -28 + -7u + 7u

Combine like terms: -7u + 7u = 0
28 + 14u = -28 + 0
28 + 14u = -28

Add '-28' to each side of the equation.
28 + -28 + 14u = -28 + -28

Combine like terms: 28 + -28 = 0
0 + 14u = -28 + -28
14u = -28 + -28

Combine like terms: -28 + -28 = -56
14u = -56

Divide each side by '14'.
u = -4

Simplifying
u = -4

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