-9u-31=4(u+2)

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Solution for -9u-31=4(u+2) equation:


Simplifying
-9u + -31 = 4(u + 2)

Reorder the terms:
-31 + -9u = 4(u + 2)

Reorder the terms:
-31 + -9u = 4(2 + u)
-31 + -9u = (2 * 4 + u * 4)
-31 + -9u = (8 + 4u)

Solving
-31 + -9u = 8 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
-31 + -9u + -4u = 8 + 4u + -4u

Combine like terms: -9u + -4u = -13u
-31 + -13u = 8 + 4u + -4u

Combine like terms: 4u + -4u = 0
-31 + -13u = 8 + 0
-31 + -13u = 8

Add '31' to each side of the equation.
-31 + 31 + -13u = 8 + 31

Combine like terms: -31 + 31 = 0
0 + -13u = 8 + 31
-13u = 8 + 31

Combine like terms: 8 + 31 = 39
-13u = 39

Divide each side by '-13'.
u = -3

Simplifying
u = -3

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