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

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


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

Reorder the terms:
2(-9 + u) + -4 = -2(-9u + 3) + -6u
(-9 * 2 + u * 2) + -4 = -2(-9u + 3) + -6u
(-18 + 2u) + -4 = -2(-9u + 3) + -6u

Reorder the terms:
-18 + -4 + 2u = -2(-9u + 3) + -6u

Combine like terms: -18 + -4 = -22
-22 + 2u = -2(-9u + 3) + -6u

Reorder the terms:
-22 + 2u = -2(3 + -9u) + -6u
-22 + 2u = (3 * -2 + -9u * -2) + -6u
-22 + 2u = (-6 + 18u) + -6u

Combine like terms: 18u + -6u = 12u
-22 + 2u = -6 + 12u

Solving
-22 + 2u = -6 + 12u

Solving for variable 'u'.

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

Add '-12u' to each side of the equation.
-22 + 2u + -12u = -6 + 12u + -12u

Combine like terms: 2u + -12u = -10u
-22 + -10u = -6 + 12u + -12u

Combine like terms: 12u + -12u = 0
-22 + -10u = -6 + 0
-22 + -10u = -6

Add '22' to each side of the equation.
-22 + 22 + -10u = -6 + 22

Combine like terms: -22 + 22 = 0
0 + -10u = -6 + 22
-10u = -6 + 22

Combine like terms: -6 + 22 = 16
-10u = 16

Divide each side by '-10'.
u = -1.6

Simplifying
u = -1.6

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