x-3(-2x+25)=9

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


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

Reorder the terms:
x + -3(25 + -2x) = 9
x + (25 * -3 + -2x * -3) = 9
x + (-75 + 6x) = 9

Reorder the terms:
-75 + x + 6x = 9

Combine like terms: x + 6x = 7x
-75 + 7x = 9

Solving
-75 + 7x = 9

Solving for variable 'x'.

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

Add '75' to each side of the equation.
-75 + 75 + 7x = 9 + 75

Combine like terms: -75 + 75 = 0
0 + 7x = 9 + 75
7x = 9 + 75

Combine like terms: 9 + 75 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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