(9u+3)-(4u+1)=

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Solution for (9u+3)-(4u+1)= equation:


Simplifying
(9u + 3) + -1(4u + 1) = 0

Reorder the terms:
(3 + 9u) + -1(4u + 1) = 0

Remove parenthesis around (3 + 9u)
3 + 9u + -1(4u + 1) = 0

Reorder the terms:
3 + 9u + -1(1 + 4u) = 0
3 + 9u + (1 * -1 + 4u * -1) = 0
3 + 9u + (-1 + -4u) = 0

Reorder the terms:
3 + -1 + 9u + -4u = 0

Combine like terms: 3 + -1 = 2
2 + 9u + -4u = 0

Combine like terms: 9u + -4u = 5u
2 + 5u = 0

Solving
2 + 5u = 0

Solving for variable 'u'.

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

Add '-2' to each side of the equation.
2 + -2 + 5u = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 5u = 0 + -2
5u = 0 + -2

Combine like terms: 0 + -2 = -2
5u = -2

Divide each side by '5'.
u = -0.4

Simplifying
u = -0.4

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