3(x+6)-7=-20

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Solution for 3(x+6)-7=-20 equation: 


Simplifying
3(x + 6) + -7 = -20

Reorder the terms:
3(6 + x) + -7 = -20
(6 * 3 + x * 3) + -7 = -20
(18 + 3x) + -7 = -20

Reorder the terms:
18 + -7 + 3x = -20

Combine like terms: 18 + -7 = 11
11 + 3x = -20

Solving
11 + 3x = -20

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 3x = -20 + -11

Combine like terms: 11 + -11 = 0
0 + 3x = -20 + -11
3x = -20 + -11

Combine like terms: -20 + -11 = -31
3x = -31

Divide each side by '3'.
x = -10.33333333

Simplifying
x = -10.33333333

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