3(9-n)7=7+4

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Solution for 3(9-n)7=7+4 equation:


Simplifying
3(9 + -1n) * 7 = 7 + 4

Reorder the terms for easier multiplication:
3 * 7(9 + -1n) = 7 + 4

Multiply 3 * 7
21(9 + -1n) = 7 + 4
(9 * 21 + -1n * 21) = 7 + 4
(189 + -21n) = 7 + 4

Combine like terms: 7 + 4 = 11
189 + -21n = 11

Solving
189 + -21n = 11

Solving for variable 'n'.

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

Add '-189' to each side of the equation.
189 + -189 + -21n = 11 + -189

Combine like terms: 189 + -189 = 0
0 + -21n = 11 + -189
-21n = 11 + -189

Combine like terms: 11 + -189 = -178
-21n = -178

Divide each side by '-21'.
n = 8.476190476

Simplifying
n = 8.476190476

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