5x-21=12x-65

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Solution for 5x-21=12x-65 equation:


Simplifying
5x + -21 = 12x + -65

Reorder the terms:
-21 + 5x = 12x + -65

Reorder the terms:
-21 + 5x = -65 + 12x

Solving
-21 + 5x = -65 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-21 + 5x + -12x = -65 + 12x + -12x

Combine like terms: 5x + -12x = -7x
-21 + -7x = -65 + 12x + -12x

Combine like terms: 12x + -12x = 0
-21 + -7x = -65 + 0
-21 + -7x = -65

Add '21' to each side of the equation.
-21 + 21 + -7x = -65 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = -65 + 21
-7x = -65 + 21

Combine like terms: -65 + 21 = -44
-7x = -44

Divide each side by '-7'.
x = 6.285714286

Simplifying
x = 6.285714286

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