7=2(4n-4.5)

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Solution for 7=2(4n-4.5) equation:


Simplifying
7 = 2(4n + -4.5)

Reorder the terms:
7 = 2(-4.5 + 4n)
7 = (-4.5 * 2 + 4n * 2)
7 = (-9 + 8n)

Solving
7 = -9 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
7 + -8n = -9 + 8n + -8n

Combine like terms: 8n + -8n = 0
7 + -8n = -9 + 0
7 + -8n = -9

Add '-7' to each side of the equation.
7 + -7 + -8n = -9 + -7

Combine like terms: 7 + -7 = 0
0 + -8n = -9 + -7
-8n = -9 + -7

Combine like terms: -9 + -7 = -16
-8n = -16

Divide each side by '-8'.
n = 2

Simplifying
n = 2

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