(-2u-7u-6)-(4u-5u+8)+(2u-7u+7)=

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Solution for (-2u-7u-6)-(4u-5u+8)+(2u-7u+7)= equation:


Simplifying
(-2u + -7u + -6) + -1(4u + -5u + 8) + (2u + -7u + 7) = 0

Reorder the terms:
(-6 + -2u + -7u) + -1(4u + -5u + 8) + (2u + -7u + 7) = 0

Combine like terms: -2u + -7u = -9u
(-6 + -9u) + -1(4u + -5u + 8) + (2u + -7u + 7) = 0

Remove parenthesis around (-6 + -9u)
-6 + -9u + -1(4u + -5u + 8) + (2u + -7u + 7) = 0

Reorder the terms:
-6 + -9u + -1(8 + 4u + -5u) + (2u + -7u + 7) = 0

Combine like terms: 4u + -5u = -1u
-6 + -9u + -1(8 + -1u) + (2u + -7u + 7) = 0
-6 + -9u + (8 * -1 + -1u * -1) + (2u + -7u + 7) = 0
-6 + -9u + (-8 + 1u) + (2u + -7u + 7) = 0

Reorder the terms:
-6 + -9u + -8 + 1u + (7 + 2u + -7u) = 0

Combine like terms: 2u + -7u = -5u
-6 + -9u + -8 + 1u + (7 + -5u) = 0

Remove parenthesis around (7 + -5u)
-6 + -9u + -8 + 1u + 7 + -5u = 0

Reorder the terms:
-6 + -8 + 7 + -9u + 1u + -5u = 0

Combine like terms: -6 + -8 = -14
-14 + 7 + -9u + 1u + -5u = 0

Combine like terms: -14 + 7 = -7
-7 + -9u + 1u + -5u = 0

Combine like terms: -9u + 1u = -8u
-7 + -8u + -5u = 0

Combine like terms: -8u + -5u = -13u
-7 + -13u = 0

Solving
-7 + -13u = 0

Solving for variable 'u'.

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

Add '7' to each side of the equation.
-7 + 7 + -13u = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -13u = 0 + 7
-13u = 0 + 7

Combine like terms: 0 + 7 = 7
-13u = 7

Divide each side by '-13'.
u = -0.5384615385

Simplifying
u = -0.5384615385

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