3(4n-1)+2(5-3n)=7n

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Solution for 3(4n-1)+2(5-3n)=7n equation:


Simplifying
3(4n + -1) + 2(5 + -3n) = 7n

Reorder the terms:
3(-1 + 4n) + 2(5 + -3n) = 7n
(-1 * 3 + 4n * 3) + 2(5 + -3n) = 7n
(-3 + 12n) + 2(5 + -3n) = 7n
-3 + 12n + (5 * 2 + -3n * 2) = 7n
-3 + 12n + (10 + -6n) = 7n

Reorder the terms:
-3 + 10 + 12n + -6n = 7n

Combine like terms: -3 + 10 = 7
7 + 12n + -6n = 7n

Combine like terms: 12n + -6n = 6n
7 + 6n = 7n

Solving
7 + 6n = 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
7 + 6n + -7n = 7n + -7n

Combine like terms: 6n + -7n = -1n
7 + -1n = 7n + -7n

Combine like terms: 7n + -7n = 0
7 + -1n = 0

Add '-7' to each side of the equation.
7 + -7 + -1n = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1n = 0 + -7
-1n = 0 + -7

Combine like terms: 0 + -7 = -7
-1n = -7

Divide each side by '-1'.
n = 7

Simplifying
n = 7

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