13-2(x+4)=20

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Solution for 13-2(x+4)=20 equation:


Simplifying
13 + -2(x + 4) = 20

Reorder the terms:
13 + -2(4 + x) = 20
13 + (4 * -2 + x * -2) = 20
13 + (-8 + -2x) = 20

Combine like terms: 13 + -8 = 5
5 + -2x = 20

Solving
5 + -2x = 20

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -2x = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -2x = 20 + -5
-2x = 20 + -5

Combine like terms: 20 + -5 = 15
-2x = 15

Divide each side by '-2'.
x = -7.5

Simplifying
x = -7.5

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