2(1[2u-7]1)=18

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Solution for 2(1[2u-7]1)=18 equation:


Simplifying
2(1[2u + -7] * 1) = 18

Reorder the terms:
2(1[-7 + 2u] * 1) = 18

Reorder the terms for easier multiplication:
2(1 * 1[-7 + 2u]) = 18

Multiply 1 * 1
2(1[-7 + 2u]) = 18
2([-7 * 1 + 2u * 1]) = 18
2([-7 + 2u]) = 18
(-7 * 2 + 2u * 2) = 18
(-14 + 4u) = 18

Solving
-14 + 4u = 18

Solving for variable 'u'.

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

Add '14' to each side of the equation.
-14 + 14 + 4u = 18 + 14

Combine like terms: -14 + 14 = 0
0 + 4u = 18 + 14
4u = 18 + 14

Combine like terms: 18 + 14 = 32
4u = 32

Divide each side by '4'.
u = 8

Simplifying
u = 8

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