3n+7=4.5n-8

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Solution for 3n+7=4.5n-8 equation:


Simplifying
3n + 7 = 4.5n + -8

Reorder the terms:
7 + 3n = 4.5n + -8

Reorder the terms:
7 + 3n = -8 + 4.5n

Solving
7 + 3n = -8 + 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.
7 + 3n + -4.5n = -8 + 4.5n + -4.5n

Combine like terms: 3n + -4.5n = -1.5n
7 + -1.5n = -8 + 4.5n + -4.5n

Combine like terms: 4.5n + -4.5n = 0.0
7 + -1.5n = -8 + 0.0
7 + -1.5n = -8

Add '-7' to each side of the equation.
7 + -7 + -1.5n = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -1.5n = -8 + -7
-1.5n = -8 + -7

Combine like terms: -8 + -7 = -15
-1.5n = -15

Divide each side by '-1.5'.
n = 10

Simplifying
n = 10

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