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

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


Simplifying
2(u + -9) + -4 = -2(-9u + 6) + -1u

Reorder the terms:
2(-9 + u) + -4 = -2(-9u + 6) + -1u
(-9 * 2 + u * 2) + -4 = -2(-9u + 6) + -1u
(-18 + 2u) + -4 = -2(-9u + 6) + -1u

Reorder the terms:
-18 + -4 + 2u = -2(-9u + 6) + -1u

Combine like terms: -18 + -4 = -22
-22 + 2u = -2(-9u + 6) + -1u

Reorder the terms:
-22 + 2u = -2(6 + -9u) + -1u
-22 + 2u = (6 * -2 + -9u * -2) + -1u
-22 + 2u = (-12 + 18u) + -1u

Combine like terms: 18u + -1u = 17u
-22 + 2u = -12 + 17u

Solving
-22 + 2u = -12 + 17u

Solving for variable 'u'.

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

Add '-17u' to each side of the equation.
-22 + 2u + -17u = -12 + 17u + -17u

Combine like terms: 2u + -17u = -15u
-22 + -15u = -12 + 17u + -17u

Combine like terms: 17u + -17u = 0
-22 + -15u = -12 + 0
-22 + -15u = -12

Add '22' to each side of the equation.
-22 + 22 + -15u = -12 + 22

Combine like terms: -22 + 22 = 0
0 + -15u = -12 + 22
-15u = -12 + 22

Combine like terms: -12 + 22 = 10
-15u = 10

Divide each side by '-15'.
u = -0.6666666667

Simplifying
u = -0.6666666667

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