-2.5(5+n)+2=15

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Solution for -2.5(5+n)+2=15 equation:


Simplifying
-2.5(5 + n) + 2 = 15
(5 * -2.5 + n * -2.5) + 2 = 15
(-12.5 + -2.5n) + 2 = 15

Reorder the terms:
-12.5 + 2 + -2.5n = 15

Combine like terms: -12.5 + 2 = -10.5
-10.5 + -2.5n = 15

Solving
-10.5 + -2.5n = 15

Solving for variable 'n'.

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

Add '10.5' to each side of the equation.
-10.5 + 10.5 + -2.5n = 15 + 10.5

Combine like terms: -10.5 + 10.5 = 0.0
0.0 + -2.5n = 15 + 10.5
-2.5n = 15 + 10.5

Combine like terms: 15 + 10.5 = 25.5
-2.5n = 25.5

Divide each side by '-2.5'.
n = -10.2

Simplifying
n = -10.2

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