3(x+9)=12x+13

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Solution for 3(x+9)=12x+13 equation:


Simplifying
3(x + 9) = 12x + 13

Reorder the terms:
3(9 + x) = 12x + 13
(9 * 3 + x * 3) = 12x + 13
(27 + 3x) = 12x + 13

Reorder the terms:
27 + 3x = 13 + 12x

Solving
27 + 3x = 13 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
27 + 3x + -12x = 13 + 12x + -12x

Combine like terms: 3x + -12x = -9x
27 + -9x = 13 + 12x + -12x

Combine like terms: 12x + -12x = 0
27 + -9x = 13 + 0
27 + -9x = 13

Add '-27' to each side of the equation.
27 + -27 + -9x = 13 + -27

Combine like terms: 27 + -27 = 0
0 + -9x = 13 + -27
-9x = 13 + -27

Combine like terms: 13 + -27 = -14
-9x = -14

Divide each side by '-9'.
x = 1.555555556

Simplifying
x = 1.555555556

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