u(-4)=-2-2(-4)+7

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Solution for u(-4)=-2-2(-4)+7 equation: 


Simplifying
u(-4) = -2 + -2(-4) + 7

Reorder the terms for easier multiplication:
-4u = -2 + -2(-4) + 7

Multiply -2 * -4
-4u = -2 + 8 + 7

Combine like terms: -2 + 8 = 6
-4u = 6 + 7

Combine like terms: 6 + 7 = 13
-4u = 13

Solving
-4u = 13

Solving for variable 'u'.

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

Divide each side by '-4'.
u = -3.25

Simplifying
u = -3.25

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