42(3.5+6)=2.5n-2

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Solution for 42(3.5+6)=2.5n-2 equation:


Simplifying
42(3.5 + 6) = 2.5n + -2

Combine like terms: 3.5 + 6 = 9.5
42(9.5) = 2.5n + -2

Multiply 42 * 9.5
399 = 2.5n + -2

Reorder the terms:
399 = -2 + 2.5n

Solving
399 = -2 + 2.5n

Solving for variable 'n'.

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

Add '-2.5n' to each side of the equation.
399 + -2.5n = -2 + 2.5n + -2.5n

Combine like terms: 2.5n + -2.5n = 0.0
399 + -2.5n = -2 + 0.0
399 + -2.5n = -2

Add '-399' to each side of the equation.
399 + -399 + -2.5n = -2 + -399

Combine like terms: 399 + -399 = 0
0 + -2.5n = -2 + -399
-2.5n = -2 + -399

Combine like terms: -2 + -399 = -401
-2.5n = -401

Divide each side by '-2.5'.
n = 160.4

Simplifying
n = 160.4

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