5n-10=7n-15

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Solution for 5n-10=7n-15 equation:


Simplifying
5n + -10 = 7n + -15

Reorder the terms:
-10 + 5n = 7n + -15

Reorder the terms:
-10 + 5n = -15 + 7n

Solving
-10 + 5n = -15 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-10 + 5n + -7n = -15 + 7n + -7n

Combine like terms: 5n + -7n = -2n
-10 + -2n = -15 + 7n + -7n

Combine like terms: 7n + -7n = 0
-10 + -2n = -15 + 0
-10 + -2n = -15

Add '10' to each side of the equation.
-10 + 10 + -2n = -15 + 10

Combine like terms: -10 + 10 = 0
0 + -2n = -15 + 10
-2n = -15 + 10

Combine like terms: -15 + 10 = -5
-2n = -5

Divide each side by '-2'.
n = 2.5

Simplifying
n = 2.5

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