-2.5w-1=15

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Solution for -2.5w-1=15 equation: 


Simplifying
-2.5w + -1 = 15

Reorder the terms:
-1 + -2.5w = 15

Solving
-1 + -2.5w = 15

Solving for variable 'w'.

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

Add '1' to each side of the equation.
-1 + 1 + -2.5w = 15 + 1

Combine like terms: -1 + 1 = 0
0 + -2.5w = 15 + 1
-2.5w = 15 + 1

Combine like terms: 15 + 1 = 16
-2.5w = 16

Divide each side by '-2.5'.
w = -6.4

Simplifying
w = -6.4

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