x+9=3(3x-4)

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


Simplifying
x + 9 = 3(3x + -4)

Reorder the terms:
9 + x = 3(3x + -4)

Reorder the terms:
9 + x = 3(-4 + 3x)
9 + x = (-4 * 3 + 3x * 3)
9 + x = (-12 + 9x)

Solving
9 + x = -12 + 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.
9 + x + -9x = -12 + 9x + -9x

Combine like terms: x + -9x = -8x
9 + -8x = -12 + 9x + -9x

Combine like terms: 9x + -9x = 0
9 + -8x = -12 + 0
9 + -8x = -12

Add '-9' to each side of the equation.
9 + -9 + -8x = -12 + -9

Combine like terms: 9 + -9 = 0
0 + -8x = -12 + -9
-8x = -12 + -9

Combine like terms: -12 + -9 = -21
-8x = -21

Divide each side by '-8'.
x = 2.625

Simplifying
x = 2.625

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