5+2u=-u-7

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Solution for 5+2u=-u-7 equation:


Simplifying
5 + 2u = -1u + -7

Reorder the terms:
5 + 2u = -7 + -1u

Solving
5 + 2u = -7 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
5 + 2u + u = -7 + -1u + u

Combine like terms: 2u + u = 3u
5 + 3u = -7 + -1u + u

Combine like terms: -1u + u = 0
5 + 3u = -7 + 0
5 + 3u = -7

Add '-5' to each side of the equation.
5 + -5 + 3u = -7 + -5

Combine like terms: 5 + -5 = 0
0 + 3u = -7 + -5
3u = -7 + -5

Combine like terms: -7 + -5 = -12
3u = -12

Divide each side by '3'.
u = -4

Simplifying
u = -4

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