7-3(2x-4)-9x=25

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Solution for 7-3(2x-4)-9x=25 equation:


Simplifying
7 + -3(2x + -4) + -9x = 25

Reorder the terms:
7 + -3(-4 + 2x) + -9x = 25
7 + (-4 * -3 + 2x * -3) + -9x = 25
7 + (12 + -6x) + -9x = 25

Combine like terms: 7 + 12 = 19
19 + -6x + -9x = 25

Combine like terms: -6x + -9x = -15x
19 + -15x = 25

Solving
19 + -15x = 25

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + -15x = 25 + -19

Combine like terms: 19 + -19 = 0
0 + -15x = 25 + -19
-15x = 25 + -19

Combine like terms: 25 + -19 = 6
-15x = 6

Divide each side by '-15'.
x = -0.4

Simplifying
x = -0.4

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