15+9=-4u-4u

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Solution for 15+9=-4u-4u equation:


15+9=-4u-4u

We simplify the equation to the form, which is simple to understand
15+9=-4u-4u

We move all terms containing u to the left and all other terms to the right.
+4u+4u=-15-9

We simplify left and right side of the equation.
+8u=-24

We divide both sides of the equation by 8 to get u.
u=-3

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