7.2n+225=4.5(n+80)

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Solution for 7.2n+225=4.5(n+80) equation:


Simplifying
7.2n + 225 = 4.5(n + 80)

Reorder the terms:
225 + 7.2n = 4.5(n + 80)

Reorder the terms:
225 + 7.2n = 4.5(80 + n)
225 + 7.2n = (80 * 4.5 + n * 4.5)
225 + 7.2n = (360 + 4.5n)

Solving
225 + 7.2n = 360 + 4.5n

Solving for variable 'n'.

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

Add '-4.5n' to each side of the equation.
225 + 7.2n + -4.5n = 360 + 4.5n + -4.5n

Combine like terms: 7.2n + -4.5n = 2.7n
225 + 2.7n = 360 + 4.5n + -4.5n

Combine like terms: 4.5n + -4.5n = 0.0
225 + 2.7n = 360 + 0.0
225 + 2.7n = 360

Add '-225' to each side of the equation.
225 + -225 + 2.7n = 360 + -225

Combine like terms: 225 + -225 = 0
0 + 2.7n = 360 + -225
2.7n = 360 + -225

Combine like terms: 360 + -225 = 135
2.7n = 135

Divide each side by '2.7'.
n = 50

Simplifying
n = 50

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