3x+5(x+8)=0

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Solution for 3x+5(x+8)=0 equation:


Simplifying
3x + 5(x + 8) = 0

Reorder the terms:
3x + 5(8 + x) = 0
3x + (8 * 5 + x * 5) = 0
3x + (40 + 5x) = 0

Reorder the terms:
40 + 3x + 5x = 0

Combine like terms: 3x + 5x = 8x
40 + 8x = 0

Solving
40 + 8x = 0

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 8x = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 8x = 0 + -40
8x = 0 + -40

Combine like terms: 0 + -40 = -40
8x = -40

Divide each side by '8'.
x = -5

Simplifying
x = -5

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