9x-(2x-4)=25

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Solution for 9x-(2x-4)=25 equation:


Simplifying
9x + -1(2x + -4) = 25

Reorder the terms:
9x + -1(-4 + 2x) = 25
9x + (-4 * -1 + 2x * -1) = 25
9x + (4 + -2x) = 25

Reorder the terms:
4 + 9x + -2x = 25

Combine like terms: 9x + -2x = 7x
4 + 7x = 25

Solving
4 + 7x = 25

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 7x = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 7x = 25 + -4
7x = 25 + -4

Combine like terms: 25 + -4 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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