4u+9=8u+1

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Solution for 4u+9=8u+1 equation:


Simplifying
4u + 9 = 8u + 1

Reorder the terms:
9 + 4u = 8u + 1

Reorder the terms:
9 + 4u = 1 + 8u

Solving
9 + 4u = 1 + 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.
9 + 4u + -8u = 1 + 8u + -8u

Combine like terms: 4u + -8u = -4u
9 + -4u = 1 + 8u + -8u

Combine like terms: 8u + -8u = 0
9 + -4u = 1 + 0
9 + -4u = 1

Add '-9' to each side of the equation.
9 + -9 + -4u = 1 + -9

Combine like terms: 9 + -9 = 0
0 + -4u = 1 + -9
-4u = 1 + -9

Combine like terms: 1 + -9 = -8
-4u = -8

Divide each side by '-4'.
u = 2

Simplifying
u = 2

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