15x+45=0

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Solution for 15x+45=0 equation: 


Simplifying
15x + 45 = 0

Reorder the terms:
45 + 15x = 0

Solving
45 + 15x = 0

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 15x = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 15x = 0 + -45
15x = 0 + -45

Combine like terms: 0 + -45 = -45
15x = -45

Divide each side by '15'.
x = -3

Simplifying
x = -3

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