7[x+2]=9[x-4]

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Solution for 7[x+2]=9[x-4] equation:


Simplifying
7[x + 2] = 9[x + -4]

Reorder the terms:
7[2 + x] = 9[x + -4]
[2 * 7 + x * 7] = 9[x + -4]
[14 + 7x] = 9[x + -4]

Reorder the terms:
14 + 7x = 9[-4 + x]
14 + 7x = [-4 * 9 + x * 9]
14 + 7x = [-36 + 9x]

Solving
14 + 7x = -36 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
14 + 7x + -9x = -36 + 9x + -9x

Combine like terms: 7x + -9x = -2x
14 + -2x = -36 + 9x + -9x

Combine like terms: 9x + -9x = 0
14 + -2x = -36 + 0
14 + -2x = -36

Add '-14' to each side of the equation.
14 + -14 + -2x = -36 + -14

Combine like terms: 14 + -14 = 0
0 + -2x = -36 + -14
-2x = -36 + -14

Combine like terms: -36 + -14 = -50
-2x = -50

Divide each side by '-2'.
x = 25

Simplifying
x = 25

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