30=2(u+5)-6u

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Solution for 30=2(u+5)-6u equation:


Simplifying
30 = 2(u + 5) + -6u

Reorder the terms:
30 = 2(5 + u) + -6u
30 = (5 * 2 + u * 2) + -6u
30 = (10 + 2u) + -6u

Combine like terms: 2u + -6u = -4u
30 = 10 + -4u

Solving
30 = 10 + -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.
30 + 4u = 10 + -4u + 4u

Combine like terms: -4u + 4u = 0
30 + 4u = 10 + 0
30 + 4u = 10

Add '-30' to each side of the equation.
30 + -30 + 4u = 10 + -30

Combine like terms: 30 + -30 = 0
0 + 4u = 10 + -30
4u = 10 + -30

Combine like terms: 10 + -30 = -20
4u = -20

Divide each side by '4'.
u = -5

Simplifying
u = -5

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