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

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


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

Reorder the terms:
4(-9 + u) + -6 = -4(-3u + 7) + -4u
(-9 * 4 + u * 4) + -6 = -4(-3u + 7) + -4u
(-36 + 4u) + -6 = -4(-3u + 7) + -4u

Reorder the terms:
-36 + -6 + 4u = -4(-3u + 7) + -4u

Combine like terms: -36 + -6 = -42
-42 + 4u = -4(-3u + 7) + -4u

Reorder the terms:
-42 + 4u = -4(7 + -3u) + -4u
-42 + 4u = (7 * -4 + -3u * -4) + -4u
-42 + 4u = (-28 + 12u) + -4u

Combine like terms: 12u + -4u = 8u
-42 + 4u = -28 + 8u

Solving
-42 + 4u = -28 + 8u

Solving for variable 'u'.

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

Add '-8u' to each side of the equation.
-42 + 4u + -8u = -28 + 8u + -8u

Combine like terms: 4u + -8u = -4u
-42 + -4u = -28 + 8u + -8u

Combine like terms: 8u + -8u = 0
-42 + -4u = -28 + 0
-42 + -4u = -28

Add '42' to each side of the equation.
-42 + 42 + -4u = -28 + 42

Combine like terms: -42 + 42 = 0
0 + -4u = -28 + 42
-4u = -28 + 42

Combine like terms: -28 + 42 = 14
-4u = 14

Divide each side by '-4'.
u = -3.5

Simplifying
u = -3.5

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