7u-2(3u+4)=4

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Solution for 7u-2(3u+4)=4 equation:


Simplifying
7u + -2(3u + 4) = 4

Reorder the terms:
7u + -2(4 + 3u) = 4
7u + (4 * -2 + 3u * -2) = 4
7u + (-8 + -6u) = 4

Reorder the terms:
-8 + 7u + -6u = 4

Combine like terms: 7u + -6u = 1u
-8 + 1u = 4

Solving
-8 + 1u = 4

Solving for variable 'u'.

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

Add '8' to each side of the equation.
-8 + 8 + 1u = 4 + 8

Combine like terms: -8 + 8 = 0
0 + 1u = 4 + 8
1u = 4 + 8

Combine like terms: 4 + 8 = 12
1u = 12

Divide each side by '1'.
u = 12

Simplifying
u = 12

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