(-18u)+(12u)+(2u)-(1)=15

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Solution for (-18u)+(12u)+(2u)-(1)=15 equation:


Simplifying
(-18u) + (12u) + (2u) + -1(1) = 15

Multiply -1 * 1
(-18u) + (12u) + (2u) + -1 = 15

Reorder the terms:
-1 + (-18u) + (12u) + (2u) = 15

Combine like terms: (-18u) + (12u) = -6u
-1 + -6u + (2u) = 15

Combine like terms: -6u + (2u) = -4u
-1 + -4u = 15

Solving
-1 + -4u = 15

Solving for variable 'u'.

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

Add '1' to each side of the equation.
-1 + 1 + -4u = 15 + 1

Combine like terms: -1 + 1 = 0
0 + -4u = 15 + 1
-4u = 15 + 1

Combine like terms: 15 + 1 = 16
-4u = 16

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

Simplifying
u = -4

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