-4u+8=-7u-1

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Solution for -4u+8=-7u-1 equation:


Simplifying
-4u + 8 = -7u + -1

Reorder the terms:
8 + -4u = -7u + -1

Reorder the terms:
8 + -4u = -1 + -7u

Solving
8 + -4u = -1 + -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.
8 + -4u + 7u = -1 + -7u + 7u

Combine like terms: -4u + 7u = 3u
8 + 3u = -1 + -7u + 7u

Combine like terms: -7u + 7u = 0
8 + 3u = -1 + 0
8 + 3u = -1

Add '-8' to each side of the equation.
8 + -8 + 3u = -1 + -8

Combine like terms: 8 + -8 = 0
0 + 3u = -1 + -8
3u = -1 + -8

Combine like terms: -1 + -8 = -9
3u = -9

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

Simplifying
u = -3

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