2(12-x)-4(9+x)=x+17

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Solution for 2(12-x)-4(9+x)=x+17 equation:


Simplifying
2(12 + -1x) + -4(9 + x) = x + 17
(12 * 2 + -1x * 2) + -4(9 + x) = x + 17
(24 + -2x) + -4(9 + x) = x + 17
24 + -2x + (9 * -4 + x * -4) = x + 17
24 + -2x + (-36 + -4x) = x + 17

Reorder the terms:
24 + -36 + -2x + -4x = x + 17

Combine like terms: 24 + -36 = -12
-12 + -2x + -4x = x + 17

Combine like terms: -2x + -4x = -6x
-12 + -6x = x + 17

Reorder the terms:
-12 + -6x = 17 + x

Solving
-12 + -6x = 17 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-12 + -6x + -1x = 17 + x + -1x

Combine like terms: -6x + -1x = -7x
-12 + -7x = 17 + x + -1x

Combine like terms: x + -1x = 0
-12 + -7x = 17 + 0
-12 + -7x = 17

Add '12' to each side of the equation.
-12 + 12 + -7x = 17 + 12

Combine like terms: -12 + 12 = 0
0 + -7x = 17 + 12
-7x = 17 + 12

Combine like terms: 17 + 12 = 29
-7x = 29

Divide each side by '-7'.
x = -4.142857143

Simplifying
x = -4.142857143

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