2u+7v-3(2u-9u+3w)=

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Solution for 2u+7v-3(2u-9u+3w)= equation:


Simplifying
2u + 7v + -3(2u + -9u + 3w) = 0

Combine like terms: 2u + -9u = -7u
2u + 7v + -3(-7u + 3w) = 0
2u + 7v + (-7u * -3 + 3w * -3) = 0
2u + 7v + (21u + -9w) = 0

Reorder the terms:
2u + 21u + 7v + -9w = 0

Combine like terms: 2u + 21u = 23u
23u + 7v + -9w = 0

Solving
23u + 7v + -9w = 0

Solving for variable 'u'.

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

Add '-7v' to each side of the equation.
23u + 7v + -7v + -9w = 0 + -7v

Combine like terms: 7v + -7v = 0
23u + 0 + -9w = 0 + -7v
23u + -9w = 0 + -7v
Remove the zero:
23u + -9w = -7v

Add '9w' to each side of the equation.
23u + -9w + 9w = -7v + 9w

Combine like terms: -9w + 9w = 0
23u + 0 = -7v + 9w
23u = -7v + 9w

Divide each side by '23'.
u = -0.3043478261v + 0.3913043478w

Simplifying
u = -0.3043478261v + 0.3913043478w

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