9x-9=4(x+4)

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


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

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

Reorder the terms:
-9 + 9x = 4(4 + x)
-9 + 9x = (4 * 4 + x * 4)
-9 + 9x = (16 + 4x)

Solving
-9 + 9x = 16 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-9 + 9x + -4x = 16 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-9 + 5x = 16 + 4x + -4x

Combine like terms: 4x + -4x = 0
-9 + 5x = 16 + 0
-9 + 5x = 16

Add '9' to each side of the equation.
-9 + 9 + 5x = 16 + 9

Combine like terms: -9 + 9 = 0
0 + 5x = 16 + 9
5x = 16 + 9

Combine like terms: 16 + 9 = 25
5x = 25

Divide each side by '5'.
x = 5

Simplifying
x = 5

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