9-(4u-1)=u+15

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Solution for 9-(4u-1)=u+15 equation:


Simplifying
9 + -1(4u + -1) = u + 15

Reorder the terms:
9 + -1(-1 + 4u) = u + 15
9 + (-1 * -1 + 4u * -1) = u + 15
9 + (1 + -4u) = u + 15

Combine like terms: 9 + 1 = 10
10 + -4u = u + 15

Reorder the terms:
10 + -4u = 15 + u

Solving
10 + -4u = 15 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
10 + -4u + -1u = 15 + u + -1u

Combine like terms: -4u + -1u = -5u
10 + -5u = 15 + u + -1u

Combine like terms: u + -1u = 0
10 + -5u = 15 + 0
10 + -5u = 15

Add '-10' to each side of the equation.
10 + -10 + -5u = 15 + -10

Combine like terms: 10 + -10 = 0
0 + -5u = 15 + -10
-5u = 15 + -10

Combine like terms: 15 + -10 = 5
-5u = 5

Divide each side by '-5'.
u = -1

Simplifying
u = -1

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