3x+6+3(4x+5)=

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Solution for 3x+6+3(4x+5)= equation:


Simplifying
3x + 6 + 3(4x + 5) = 0

Reorder the terms:
3x + 6 + 3(5 + 4x) = 0
3x + 6 + (5 * 3 + 4x * 3) = 0
3x + 6 + (15 + 12x) = 0

Reorder the terms:
6 + 15 + 3x + 12x = 0

Combine like terms: 6 + 15 = 21
21 + 3x + 12x = 0

Combine like terms: 3x + 12x = 15x
21 + 15x = 0

Solving
21 + 15x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 15x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 15x = 0 + -21
15x = 0 + -21

Combine like terms: 0 + -21 = -21
15x = -21

Divide each side by '15'.
x = -1.4

Simplifying
x = -1.4

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