20+7u-18=43-9u

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Solution for 20+7u-18=43-9u equation: 


Simplifying
20 + 7u + -18 = 43 + -9u

Reorder the terms:
20 + -18 + 7u = 43 + -9u

Combine like terms: 20 + -18 = 2
2 + 7u = 43 + -9u

Solving
2 + 7u = 43 + -9u

Solving for variable 'u'.

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

Add '9u' to each side of the equation.
2 + 7u + 9u = 43 + -9u + 9u

Combine like terms: 7u + 9u = 16u
2 + 16u = 43 + -9u + 9u

Combine like terms: -9u + 9u = 0
2 + 16u = 43 + 0
2 + 16u = 43

Add '-2' to each side of the equation.
2 + -2 + 16u = 43 + -2

Combine like terms: 2 + -2 = 0
0 + 16u = 43 + -2
16u = 43 + -2

Combine like terms: 43 + -2 = 41
16u = 41

Divide each side by '16'.
u = 2.5625

Simplifying
u = 2.5625

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