12(x+5)=9(x+4)+9

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Solution for 12(x+5)=9(x+4)+9 equation:


Simplifying
12(x + 5) = 9(x + 4) + 9

Reorder the terms:
12(5 + x) = 9(x + 4) + 9
(5 * 12 + x * 12) = 9(x + 4) + 9
(60 + 12x) = 9(x + 4) + 9

Reorder the terms:
60 + 12x = 9(4 + x) + 9
60 + 12x = (4 * 9 + x * 9) + 9
60 + 12x = (36 + 9x) + 9

Reorder the terms:
60 + 12x = 36 + 9 + 9x

Combine like terms: 36 + 9 = 45
60 + 12x = 45 + 9x

Solving
60 + 12x = 45 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
60 + 12x + -9x = 45 + 9x + -9x

Combine like terms: 12x + -9x = 3x
60 + 3x = 45 + 9x + -9x

Combine like terms: 9x + -9x = 0
60 + 3x = 45 + 0
60 + 3x = 45

Add '-60' to each side of the equation.
60 + -60 + 3x = 45 + -60

Combine like terms: 60 + -60 = 0
0 + 3x = 45 + -60
3x = 45 + -60

Combine like terms: 45 + -60 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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