2(3u+7)=-4(3-42u)

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Solution for 2(3u+7)=-4(3-42u) equation:


Simplifying
2(3u + 7) = -4(3 + -42u)

Reorder the terms:
2(7 + 3u) = -4(3 + -42u)
(7 * 2 + 3u * 2) = -4(3 + -42u)
(14 + 6u) = -4(3 + -42u)
14 + 6u = (3 * -4 + -42u * -4)
14 + 6u = (-12 + 168u)

Solving
14 + 6u = -12 + 168u

Solving for variable 'u'.

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

Add '-168u' to each side of the equation.
14 + 6u + -168u = -12 + 168u + -168u

Combine like terms: 6u + -168u = -162u
14 + -162u = -12 + 168u + -168u

Combine like terms: 168u + -168u = 0
14 + -162u = -12 + 0
14 + -162u = -12

Add '-14' to each side of the equation.
14 + -14 + -162u = -12 + -14

Combine like terms: 14 + -14 = 0
0 + -162u = -12 + -14
-162u = -12 + -14

Combine like terms: -12 + -14 = -26
-162u = -26

Divide each side by '-162'.
u = 0.1604938272

Simplifying
u = 0.1604938272

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