n-10=1.2n-7-3n

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Solution for n-10=1.2n-7-3n equation: 


Simplifying
n + -10 = 1.2n + -7 + -3n

Reorder the terms:
-10 + n = 1.2n + -7 + -3n

Reorder the terms:
-10 + n = -7 + 1.2n + -3n

Combine like terms: 1.2n + -3n = -1.8n
-10 + n = -7 + -1.8n

Solving
-10 + n = -7 + -1.8n

Solving for variable 'n'.

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

Add '1.8n' to each side of the equation.
-10 + n + 1.8n = -7 + -1.8n + 1.8n

Combine like terms: n + 1.8n = 2.8n
-10 + 2.8n = -7 + -1.8n + 1.8n

Combine like terms: -1.8n + 1.8n = 0.0
-10 + 2.8n = -7 + 0.0
-10 + 2.8n = -7

Add '10' to each side of the equation.
-10 + 10 + 2.8n = -7 + 10

Combine like terms: -10 + 10 = 0
0 + 2.8n = -7 + 10
2.8n = -7 + 10

Combine like terms: -7 + 10 = 3
2.8n = 3

Divide each side by '2.8'.
n = 1.071428571

Simplifying
n = 1.071428571

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