4(2n+3)-5(3n+2)=9

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Solution for 4(2n+3)-5(3n+2)=9 equation:


Simplifying
4(2n + 3) + -5(3n + 2) = 9

Reorder the terms:
4(3 + 2n) + -5(3n + 2) = 9
(3 * 4 + 2n * 4) + -5(3n + 2) = 9
(12 + 8n) + -5(3n + 2) = 9

Reorder the terms:
12 + 8n + -5(2 + 3n) = 9
12 + 8n + (2 * -5 + 3n * -5) = 9
12 + 8n + (-10 + -15n) = 9

Reorder the terms:
12 + -10 + 8n + -15n = 9

Combine like terms: 12 + -10 = 2
2 + 8n + -15n = 9

Combine like terms: 8n + -15n = -7n
2 + -7n = 9

Solving
2 + -7n = 9

Solving for variable 'n'.

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

Add '-2' to each side of the equation.
2 + -2 + -7n = 9 + -2

Combine like terms: 2 + -2 = 0
0 + -7n = 9 + -2
-7n = 9 + -2

Combine like terms: 9 + -2 = 7
-7n = 7

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

Simplifying
n = -1

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