2x+9=7(2x-4)-23

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Solution for 2x+9=7(2x-4)-23 equation:


Simplifying
2x + 9 = 7(2x + -4) + -23

Reorder the terms:
9 + 2x = 7(2x + -4) + -23

Reorder the terms:
9 + 2x = 7(-4 + 2x) + -23
9 + 2x = (-4 * 7 + 2x * 7) + -23
9 + 2x = (-28 + 14x) + -23

Reorder the terms:
9 + 2x = -28 + -23 + 14x

Combine like terms: -28 + -23 = -51
9 + 2x = -51 + 14x

Solving
9 + 2x = -51 + 14x

Solving for variable 'x'.

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

Add '-14x' to each side of the equation.
9 + 2x + -14x = -51 + 14x + -14x

Combine like terms: 2x + -14x = -12x
9 + -12x = -51 + 14x + -14x

Combine like terms: 14x + -14x = 0
9 + -12x = -51 + 0
9 + -12x = -51

Add '-9' to each side of the equation.
9 + -9 + -12x = -51 + -9

Combine like terms: 9 + -9 = 0
0 + -12x = -51 + -9
-12x = -51 + -9

Combine like terms: -51 + -9 = -60
-12x = -60

Divide each side by '-12'.
x = 5

Simplifying
x = 5

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