20x-(3x-6)=57

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Solution for 20x-(3x-6)=57 equation:


Simplifying
20x + -1(3x + -6) = 57

Reorder the terms:
20x + -1(-6 + 3x) = 57
20x + (-6 * -1 + 3x * -1) = 57
20x + (6 + -3x) = 57

Reorder the terms:
6 + 20x + -3x = 57

Combine like terms: 20x + -3x = 17x
6 + 17x = 57

Solving
6 + 17x = 57

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 17x = 57 + -6

Combine like terms: 6 + -6 = 0
0 + 17x = 57 + -6
17x = 57 + -6

Combine like terms: 57 + -6 = 51
17x = 51

Divide each side by '17'.
x = 3

Simplifying
x = 3

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