19-4x+7x=55

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Solution for 19-4x+7x=55 equation:


Simplifying
19 + -4x + 7x = 55

Combine like terms: -4x + 7x = 3x
19 + 3x = 55

Solving
19 + 3x = 55

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 3x = 55 + -19

Combine like terms: 19 + -19 = 0
0 + 3x = 55 + -19
3x = 55 + -19

Combine like terms: 55 + -19 = 36
3x = 36

Divide each side by '3'.
x = 12

Simplifying
x = 12

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