-8u-9=-4u-5

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Solution for -8u-9=-4u-5 equation:


Simplifying
-8u + -9 = -4u + -5

Reorder the terms:
-9 + -8u = -4u + -5

Reorder the terms:
-9 + -8u = -5 + -4u

Solving
-9 + -8u = -5 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
-9 + -8u + 4u = -5 + -4u + 4u

Combine like terms: -8u + 4u = -4u
-9 + -4u = -5 + -4u + 4u

Combine like terms: -4u + 4u = 0
-9 + -4u = -5 + 0
-9 + -4u = -5

Add '9' to each side of the equation.
-9 + 9 + -4u = -5 + 9

Combine like terms: -9 + 9 = 0
0 + -4u = -5 + 9
-4u = -5 + 9

Combine like terms: -5 + 9 = 4
-4u = 4

Divide each side by '-4'.
u = -1

Simplifying
u = -1

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