5x-9=42

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Solution for 5x-9=42 equation: 


Simplifying
5x + -9 = 42

Reorder the terms:
-9 + 5x = 42

Solving
-9 + 5x = 42

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 5x = 42 + 9

Combine like terms: -9 + 9 = 0
0 + 5x = 42 + 9
5x = 42 + 9

Combine like terms: 42 + 9 = 51
5x = 51

Divide each side by '5'.
x = 10.2

Simplifying
x = 10.2

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