[5x-9]=[7x+12]

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Solution for [5x-9]=[7x+12] equation:


Simplifying
[5x + -9] = [7x + 12]

Reorder the terms:
[-9 + 5x] = [7x + 12]

Remove brackets around [-9 + 5x]
-9 + 5x = [7x + 12]

Reorder the terms:
-9 + 5x = [12 + 7x]

Remove brackets around [12 + 7x]
-9 + 5x = 12 + 7x

Solving
-9 + 5x = 12 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-9 + 5x + -7x = 12 + 7x + -7x

Combine like terms: 5x + -7x = -2x
-9 + -2x = 12 + 7x + -7x

Combine like terms: 7x + -7x = 0
-9 + -2x = 12 + 0
-9 + -2x = 12

Add '9' to each side of the equation.
-9 + 9 + -2x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = 12 + 9
-2x = 12 + 9

Combine like terms: 12 + 9 = 21
-2x = 21

Divide each side by '-2'.
x = -10.5

Simplifying
x = -10.5

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