-50=4+2(u-9)-2

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Solution for -50=4+2(u-9)-2 equation:


Simplifying
-50 = 4 + 2(u + -9) + -2

Reorder the terms:
-50 = 4 + 2(-9 + u) + -2
-50 = 4 + (-9 * 2 + u * 2) + -2
-50 = 4 + (-18 + 2u) + -2

Reorder the terms:
-50 = 4 + -18 + -2 + 2u

Combine like terms: 4 + -18 = -14
-50 = -14 + -2 + 2u

Combine like terms: -14 + -2 = -16
-50 = -16 + 2u

Solving
-50 = -16 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
-50 + -2u = -16 + 2u + -2u

Combine like terms: 2u + -2u = 0
-50 + -2u = -16 + 0
-50 + -2u = -16

Add '50' to each side of the equation.
-50 + 50 + -2u = -16 + 50

Combine like terms: -50 + 50 = 0
0 + -2u = -16 + 50
-2u = -16 + 50

Combine like terms: -16 + 50 = 34
-2u = 34

Divide each side by '-2'.
u = -17

Simplifying
u = -17

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