57-x+4x+9=100

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Solution for 57-x+4x+9=100 equation:


Simplifying
57 + -1x + 4x + 9 = 100

Reorder the terms:
57 + 9 + -1x + 4x = 100

Combine like terms: 57 + 9 = 66
66 + -1x + 4x = 100

Combine like terms: -1x + 4x = 3x
66 + 3x = 100

Solving
66 + 3x = 100

Solving for variable 'x'.

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

Add '-66' to each side of the equation.
66 + -66 + 3x = 100 + -66

Combine like terms: 66 + -66 = 0
0 + 3x = 100 + -66
3x = 100 + -66

Combine like terms: 100 + -66 = 34
3x = 34

Divide each side by '3'.
x = 11.33333333

Simplifying
x = 11.33333333

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