9-7x=89-42

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Solution for 9-7x=89-42 equation: 


Simplifying
9 + -7x = 89 + -42

Combine like terms: 89 + -42 = 47
9 + -7x = 47

Solving
9 + -7x = 47

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 = 47 + -9

Combine like terms: 9 + -9 = 0
0 + -7x = 47 + -9
-7x = 47 + -9

Combine like terms: 47 + -9 = 38
-7x = 38

Divide each side by '-7'.
x = -5.428571429

Simplifying
x = -5.428571429

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