9x-25=2x-(9x+9)

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Solution for 9x-25=2x-(9x+9) equation:


Simplifying
9x + -25 = 2x + -1(9x + 9)

Reorder the terms:
-25 + 9x = 2x + -1(9x + 9)

Reorder the terms:
-25 + 9x = 2x + -1(9 + 9x)
-25 + 9x = 2x + (9 * -1 + 9x * -1)
-25 + 9x = 2x + (-9 + -9x)

Reorder the terms:
-25 + 9x = -9 + 2x + -9x

Combine like terms: 2x + -9x = -7x
-25 + 9x = -9 + -7x

Solving
-25 + 9x = -9 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-25 + 9x + 7x = -9 + -7x + 7x

Combine like terms: 9x + 7x = 16x
-25 + 16x = -9 + -7x + 7x

Combine like terms: -7x + 7x = 0
-25 + 16x = -9 + 0
-25 + 16x = -9

Add '25' to each side of the equation.
-25 + 25 + 16x = -9 + 25

Combine like terms: -25 + 25 = 0
0 + 16x = -9 + 25
16x = -9 + 25

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

Divide each side by '16'.
x = 1

Simplifying
x = 1

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