20+22+28+N=25

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Solution for 20+22+28+N=25 equation: 


Simplifying
20 + 22 + 28 + N = 25

Combine like terms: 20 + 22 = 42
42 + 28 + N = 25

Combine like terms: 42 + 28 = 70
70 + N = 25

Solving
70 + N = 25

Solving for variable 'N'.

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

Add '-70' to each side of the equation.
70 + -70 + N = 25 + -70

Combine like terms: 70 + -70 = 0
0 + N = 25 + -70
N = 25 + -70

Combine like terms: 25 + -70 = -45
N = -45

Simplifying
N = -45

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