-4+2u-7u=8-9u

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Solution for -4+2u-7u=8-9u equation:


Simplifying
-4 + 2u + -7u = 8 + -9u

Combine like terms: 2u + -7u = -5u
-4 + -5u = 8 + -9u

Solving
-4 + -5u = 8 + -9u

Solving for variable 'u'.

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

Add '9u' to each side of the equation.
-4 + -5u + 9u = 8 + -9u + 9u

Combine like terms: -5u + 9u = 4u
-4 + 4u = 8 + -9u + 9u

Combine like terms: -9u + 9u = 0
-4 + 4u = 8 + 0
-4 + 4u = 8

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

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

Combine like terms: 8 + 4 = 12
4u = 12

Divide each side by '4'.
u = 3

Simplifying
u = 3

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