9-7x=57

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Solution for 9-7x=57 equation: 


Simplifying
9 + -7x = 57

Solving
9 + -7x = 57

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 + -7x = 57 + -9

Combine like terms: 9 + -9 = 0
0 + -7x = 57 + -9
-7x = 57 + -9

Combine like terms: 57 + -9 = 48
-7x = 48

Divide each side by '-7'.
x = -6.857142857

Simplifying
x = -6.857142857

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