4n-(12-9n)+8n-8+45n-18=

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Solution for 4n-(12-9n)+8n-8+45n-18= equation:


Simplifying
4n + -1(12 + -9n) + 8n + -8 + 45n + -18 = 0
4n + (12 * -1 + -9n * -1) + 8n + -8 + 45n + -18 = 0
4n + (-12 + 9n) + 8n + -8 + 45n + -18 = 0

Reorder the terms:
-12 + -8 + -18 + 4n + 9n + 8n + 45n = 0

Combine like terms: -12 + -8 = -20
-20 + -18 + 4n + 9n + 8n + 45n = 0

Combine like terms: -20 + -18 = -38
-38 + 4n + 9n + 8n + 45n = 0

Combine like terms: 4n + 9n = 13n
-38 + 13n + 8n + 45n = 0

Combine like terms: 13n + 8n = 21n
-38 + 21n + 45n = 0

Combine like terms: 21n + 45n = 66n
-38 + 66n = 0

Solving
-38 + 66n = 0

Solving for variable 'n'.

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

Add '38' to each side of the equation.
-38 + 38 + 66n = 0 + 38

Combine like terms: -38 + 38 = 0
0 + 66n = 0 + 38
66n = 0 + 38

Combine like terms: 0 + 38 = 38
66n = 38

Divide each side by '66'.
n = 0.5757575758

Simplifying
n = 0.5757575758

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