4u+8=-u-7

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


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

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

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

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

Combine like terms: 4u + u = 5u
8 + 5u = -7 + -1u + u

Combine like terms: -1u + u = 0
8 + 5u = -7 + 0
8 + 5u = -7

Add '-8' to each side of the equation.
8 + -8 + 5u = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 5u = -7 + -8
5u = -7 + -8

Combine like terms: -7 + -8 = -15
5u = -15

Divide each side by '5'.
u = -3

Simplifying
u = -3

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