3(x+4)+x=-20

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Solution for 3(x+4)+x=-20 equation:


Simplifying
3(x + 4) + x = -20

Reorder the terms:
3(4 + x) + x = -20
(4 * 3 + x * 3) + x = -20
(12 + 3x) + x = -20

Combine like terms: 3x + x = 4x
12 + 4x = -20

Solving
12 + 4x = -20

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = -20 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = -20 + -12
4x = -20 + -12

Combine like terms: -20 + -12 = -32
4x = -32

Divide each side by '4'.
x = -8

Simplifying
x = -8

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