-2(u+8)=-7u+9

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


Simplifying
-2(u + 8) = -7u + 9

Reorder the terms:
-2(8 + u) = -7u + 9
(8 * -2 + u * -2) = -7u + 9
(-16 + -2u) = -7u + 9

Reorder the terms:
-16 + -2u = 9 + -7u

Solving
-16 + -2u = 9 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
-16 + -2u + 7u = 9 + -7u + 7u

Combine like terms: -2u + 7u = 5u
-16 + 5u = 9 + -7u + 7u

Combine like terms: -7u + 7u = 0
-16 + 5u = 9 + 0
-16 + 5u = 9

Add '16' to each side of the equation.
-16 + 16 + 5u = 9 + 16

Combine like terms: -16 + 16 = 0
0 + 5u = 9 + 16
5u = 9 + 16

Combine like terms: 9 + 16 = 25
5u = 25

Divide each side by '5'.
u = 5

Simplifying
u = 5

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