55-4x=7

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Solution for 55-4x=7 equation: 


Simplifying
55 + -4x = 7

Solving
55 + -4x = 7

Solving for variable 'x'.

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

Add '-55' to each side of the equation.
55 + -55 + -4x = 7 + -55

Combine like terms: 55 + -55 = 0
0 + -4x = 7 + -55
-4x = 7 + -55

Combine like terms: 7 + -55 = -48
-4x = -48

Divide each side by '-4'.
x = 12

Simplifying
x = 12

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