10n+40=9n+45

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Solution for 10n+40=9n+45 equation:


Simplifying
10n + 40 = 9n + 45

Reorder the terms:
40 + 10n = 9n + 45

Reorder the terms:
40 + 10n = 45 + 9n

Solving
40 + 10n = 45 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
40 + 10n + -9n = 45 + 9n + -9n

Combine like terms: 10n + -9n = 1n
40 + 1n = 45 + 9n + -9n

Combine like terms: 9n + -9n = 0
40 + 1n = 45 + 0
40 + 1n = 45

Add '-40' to each side of the equation.
40 + -40 + 1n = 45 + -40

Combine like terms: 40 + -40 = 0
0 + 1n = 45 + -40
1n = 45 + -40

Combine like terms: 45 + -40 = 5
1n = 5

Divide each side by '1'.
n = 5

Simplifying
n = 5

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