2n+10=20 - solution

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Solution for 2n+10=20 equation:

n in (-oo:+oo)

2*n+10 = 20 // - 20

2*n-20+10 = 0

2*n-10 = 0 // + 10

2*n = 10 // : 2

n = 10/2

n = 5

n = 5

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