-3(-7u+4)-9u=6(u-3)-2

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Solution for -3(-7u+4)-9u=6(u-3)-2 equation:


Simplifying
-3(-7u + 4) + -9u = 6(u + -3) + -2

Reorder the terms:
-3(4 + -7u) + -9u = 6(u + -3) + -2
(4 * -3 + -7u * -3) + -9u = 6(u + -3) + -2
(-12 + 21u) + -9u = 6(u + -3) + -2

Combine like terms: 21u + -9u = 12u
-12 + 12u = 6(u + -3) + -2

Reorder the terms:
-12 + 12u = 6(-3 + u) + -2
-12 + 12u = (-3 * 6 + u * 6) + -2
-12 + 12u = (-18 + 6u) + -2

Reorder the terms:
-12 + 12u = -18 + -2 + 6u

Combine like terms: -18 + -2 = -20
-12 + 12u = -20 + 6u

Solving
-12 + 12u = -20 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
-12 + 12u + -6u = -20 + 6u + -6u

Combine like terms: 12u + -6u = 6u
-12 + 6u = -20 + 6u + -6u

Combine like terms: 6u + -6u = 0
-12 + 6u = -20 + 0
-12 + 6u = -20

Add '12' to each side of the equation.
-12 + 12 + 6u = -20 + 12

Combine like terms: -12 + 12 = 0
0 + 6u = -20 + 12
6u = -20 + 12

Combine like terms: -20 + 12 = -8
6u = -8

Divide each side by '6'.
u = -1.333333333

Simplifying
u = -1.333333333

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