6(9-x)-(20-x)=102-x

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Solution for 6(9-x)-(20-x)=102-x equation:


Simplifying
6(9 + -1x) + -1(20 + -1x) = 102 + -1x
(9 * 6 + -1x * 6) + -1(20 + -1x) = 102 + -1x
(54 + -6x) + -1(20 + -1x) = 102 + -1x
54 + -6x + (20 * -1 + -1x * -1) = 102 + -1x
54 + -6x + (-20 + 1x) = 102 + -1x

Reorder the terms:
54 + -20 + -6x + 1x = 102 + -1x

Combine like terms: 54 + -20 = 34
34 + -6x + 1x = 102 + -1x

Combine like terms: -6x + 1x = -5x
34 + -5x = 102 + -1x

Solving
34 + -5x = 102 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
34 + -5x + x = 102 + -1x + x

Combine like terms: -5x + x = -4x
34 + -4x = 102 + -1x + x

Combine like terms: -1x + x = 0
34 + -4x = 102 + 0
34 + -4x = 102

Add '-34' to each side of the equation.
34 + -34 + -4x = 102 + -34

Combine like terms: 34 + -34 = 0
0 + -4x = 102 + -34
-4x = 102 + -34

Combine like terms: 102 + -34 = 68
-4x = 68

Divide each side by '-4'.
x = -17

Simplifying
x = -17

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