10n-3+9n-2=90

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Solution for 10n-3+9n-2=90 equation:


Simplifying
10n + -3 + 9n + -2 = 90

Reorder the terms:
-3 + -2 + 10n + 9n = 90

Combine like terms: -3 + -2 = -5
-5 + 10n + 9n = 90

Combine like terms: 10n + 9n = 19n
-5 + 19n = 90

Solving
-5 + 19n = 90

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 19n = 90 + 5

Combine like terms: -5 + 5 = 0
0 + 19n = 90 + 5
19n = 90 + 5

Combine like terms: 90 + 5 = 95
19n = 95

Divide each side by '19'.
n = 5

Simplifying
n = 5

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