3(u-7)-6=-2(-8u+6)-u

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Solution for 3(u-7)-6=-2(-8u+6)-u equation:


Simplifying
3(u + -7) + -6 = -2(-8u + 6) + -1u

Reorder the terms:
3(-7 + u) + -6 = -2(-8u + 6) + -1u
(-7 * 3 + u * 3) + -6 = -2(-8u + 6) + -1u
(-21 + 3u) + -6 = -2(-8u + 6) + -1u

Reorder the terms:
-21 + -6 + 3u = -2(-8u + 6) + -1u

Combine like terms: -21 + -6 = -27
-27 + 3u = -2(-8u + 6) + -1u

Reorder the terms:
-27 + 3u = -2(6 + -8u) + -1u
-27 + 3u = (6 * -2 + -8u * -2) + -1u
-27 + 3u = (-12 + 16u) + -1u

Combine like terms: 16u + -1u = 15u
-27 + 3u = -12 + 15u

Solving
-27 + 3u = -12 + 15u

Solving for variable 'u'.

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

Add '-15u' to each side of the equation.
-27 + 3u + -15u = -12 + 15u + -15u

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

Combine like terms: 15u + -15u = 0
-27 + -12u = -12 + 0
-27 + -12u = -12

Add '27' to each side of the equation.
-27 + 27 + -12u = -12 + 27

Combine like terms: -27 + 27 = 0
0 + -12u = -12 + 27
-12u = -12 + 27

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

Divide each side by '-12'.
u = -1.25

Simplifying
u = -1.25

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