-1-7u=-15-8u

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Solution for -1-7u=-15-8u equation:


Simplifying
-1 + -7u = -15 + -8u

Solving
-1 + -7u = -15 + -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
-1 + -7u + 8u = -15 + -8u + 8u

Combine like terms: -7u + 8u = 1u
-1 + 1u = -15 + -8u + 8u

Combine like terms: -8u + 8u = 0
-1 + 1u = -15 + 0
-1 + 1u = -15

Add '1' to each side of the equation.
-1 + 1 + 1u = -15 + 1

Combine like terms: -1 + 1 = 0
0 + 1u = -15 + 1
1u = -15 + 1

Combine like terms: -15 + 1 = -14
1u = -14

Divide each side by '1'.
u = -14

Simplifying
u = -14

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