15x+3=-45

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Solution for 15x+3=-45 equation: 


Simplifying
15x + 3 = -45

Reorder the terms:
3 + 15x = -45

Solving
3 + 15x = -45

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 15x = -45 + -3

Combine like terms: 3 + -3 = 0
0 + 15x = -45 + -3
15x = -45 + -3

Combine like terms: -45 + -3 = -48
15x = -48

Divide each side by '15'.
x = -3.2

Simplifying
x = -3.2

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