3x-4(5+x)=x+8

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Solution for 3x-4(5+x)=x+8 equation:


Simplifying
3x + -4(5 + x) = x + 8
3x + (5 * -4 + x * -4) = x + 8
3x + (-20 + -4x) = x + 8

Reorder the terms:
-20 + 3x + -4x = x + 8

Combine like terms: 3x + -4x = -1x
-20 + -1x = x + 8

Reorder the terms:
-20 + -1x = 8 + x

Solving
-20 + -1x = 8 + 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.
-20 + -1x + -1x = 8 + x + -1x

Combine like terms: -1x + -1x = -2x
-20 + -2x = 8 + x + -1x

Combine like terms: x + -1x = 0
-20 + -2x = 8 + 0
-20 + -2x = 8

Add '20' to each side of the equation.
-20 + 20 + -2x = 8 + 20

Combine like terms: -20 + 20 = 0
0 + -2x = 8 + 20
-2x = 8 + 20

Combine like terms: 8 + 20 = 28
-2x = 28

Divide each side by '-2'.
x = -14

Simplifying
x = -14

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