10u+18=78-5u

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Solution for 10u+18=78-5u equation:


Simplifying
10u + 18 = 78 + -5u

Reorder the terms:
18 + 10u = 78 + -5u

Solving
18 + 10u = 78 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
18 + 10u + 5u = 78 + -5u + 5u

Combine like terms: 10u + 5u = 15u
18 + 15u = 78 + -5u + 5u

Combine like terms: -5u + 5u = 0
18 + 15u = 78 + 0
18 + 15u = 78

Add '-18' to each side of the equation.
18 + -18 + 15u = 78 + -18

Combine like terms: 18 + -18 = 0
0 + 15u = 78 + -18
15u = 78 + -18

Combine like terms: 78 + -18 = 60
15u = 60

Divide each side by '15'.
u = 4

Simplifying
u = 4

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