5(x+13)+9+3x=20

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Solution for 5(x+13)+9+3x=20 equation:


Simplifying
5(x + 13) + 9 + 3x = 20

Reorder the terms:
5(13 + x) + 9 + 3x = 20
(13 * 5 + x * 5) + 9 + 3x = 20
(65 + 5x) + 9 + 3x = 20

Reorder the terms:
65 + 9 + 5x + 3x = 20

Combine like terms: 65 + 9 = 74
74 + 5x + 3x = 20

Combine like terms: 5x + 3x = 8x
74 + 8x = 20

Solving
74 + 8x = 20

Solving for variable 'x'.

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

Add '-74' to each side of the equation.
74 + -74 + 8x = 20 + -74

Combine like terms: 74 + -74 = 0
0 + 8x = 20 + -74
8x = 20 + -74

Combine like terms: 20 + -74 = -54
8x = -54

Divide each side by '8'.
x = -6.75

Simplifying
x = -6.75

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