3(15+4n)-4(5n-3)=2

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Solution for 3(15+4n)-4(5n-3)=2 equation:


Simplifying
3(15 + 4n) + -4(5n + -3) = 2
(15 * 3 + 4n * 3) + -4(5n + -3) = 2
(45 + 12n) + -4(5n + -3) = 2

Reorder the terms:
45 + 12n + -4(-3 + 5n) = 2
45 + 12n + (-3 * -4 + 5n * -4) = 2
45 + 12n + (12 + -20n) = 2

Reorder the terms:
45 + 12 + 12n + -20n = 2

Combine like terms: 45 + 12 = 57
57 + 12n + -20n = 2

Combine like terms: 12n + -20n = -8n
57 + -8n = 2

Solving
57 + -8n = 2

Solving for variable 'n'.

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

Add '-57' to each side of the equation.
57 + -57 + -8n = 2 + -57

Combine like terms: 57 + -57 = 0
0 + -8n = 2 + -57
-8n = 2 + -57

Combine like terms: 2 + -57 = -55
-8n = -55

Divide each side by '-8'.
n = 6.875

Simplifying
n = 6.875

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