2x-4(x+7)=13

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Solution for 2x-4(x+7)=13 equation:


Simplifying
2x + -4(x + 7) = 13

Reorder the terms:
2x + -4(7 + x) = 13
2x + (7 * -4 + x * -4) = 13
2x + (-28 + -4x) = 13

Reorder the terms:
-28 + 2x + -4x = 13

Combine like terms: 2x + -4x = -2x
-28 + -2x = 13

Solving
-28 + -2x = 13

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + -2x = 13 + 28

Combine like terms: -28 + 28 = 0
0 + -2x = 13 + 28
-2x = 13 + 28

Combine like terms: 13 + 28 = 41
-2x = 41

Divide each side by '-2'.
x = -20.5

Simplifying
x = -20.5

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