-20=4(u-2)-6u

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Solution for -20=4(u-2)-6u equation:


Simplifying
-20 = 4(u + -2) + -6u

Reorder the terms:
-20 = 4(-2 + u) + -6u
-20 = (-2 * 4 + u * 4) + -6u
-20 = (-8 + 4u) + -6u

Combine like terms: 4u + -6u = -2u
-20 = -8 + -2u

Solving
-20 = -8 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
-20 + 2u = -8 + -2u + 2u

Combine like terms: -2u + 2u = 0
-20 + 2u = -8 + 0
-20 + 2u = -8

Add '20' to each side of the equation.
-20 + 20 + 2u = -8 + 20

Combine like terms: -20 + 20 = 0
0 + 2u = -8 + 20
2u = -8 + 20

Combine like terms: -8 + 20 = 12
2u = 12

Divide each side by '2'.
u = 6

Simplifying
u = 6

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