4x-15=3(3x+8)-9

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Solution for 4x-15=3(3x+8)-9 equation:


Simplifying
4x + -15 = 3(3x + 8) + -9

Reorder the terms:
-15 + 4x = 3(3x + 8) + -9

Reorder the terms:
-15 + 4x = 3(8 + 3x) + -9
-15 + 4x = (8 * 3 + 3x * 3) + -9
-15 + 4x = (24 + 9x) + -9

Reorder the terms:
-15 + 4x = 24 + -9 + 9x

Combine like terms: 24 + -9 = 15
-15 + 4x = 15 + 9x

Solving
-15 + 4x = 15 + 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.
-15 + 4x + -9x = 15 + 9x + -9x

Combine like terms: 4x + -9x = -5x
-15 + -5x = 15 + 9x + -9x

Combine like terms: 9x + -9x = 0
-15 + -5x = 15 + 0
-15 + -5x = 15

Add '15' to each side of the equation.
-15 + 15 + -5x = 15 + 15

Combine like terms: -15 + 15 = 0
0 + -5x = 15 + 15
-5x = 15 + 15

Combine like terms: 15 + 15 = 30
-5x = 30

Divide each side by '-5'.
x = -6

Simplifying
x = -6

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