-6u+3(u-4)=15

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Solution for -6u+3(u-4)=15 equation:


Simplifying
-6u + 3(u + -4) = 15

Reorder the terms:
-6u + 3(-4 + u) = 15
-6u + (-4 * 3 + u * 3) = 15
-6u + (-12 + 3u) = 15

Reorder the terms:
-12 + -6u + 3u = 15

Combine like terms: -6u + 3u = -3u
-12 + -3u = 15

Solving
-12 + -3u = 15

Solving for variable 'u'.

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

Add '12' to each side of the equation.
-12 + 12 + -3u = 15 + 12

Combine like terms: -12 + 12 = 0
0 + -3u = 15 + 12
-3u = 15 + 12

Combine like terms: 15 + 12 = 27
-3u = 27

Divide each side by '-3'.
u = -9

Simplifying
u = -9

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