-(2x+15)=3

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Solution for -(2x+15)=3 equation: 


Simplifying
-1(2x + 15) = 3

Reorder the terms:
-1(15 + 2x) = 3
(15 * -1 + 2x * -1) = 3
(-15 + -2x) = 3

Solving
-15 + -2x = 3

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -2x = 3 + 15

Combine like terms: -15 + 15 = 0
0 + -2x = 3 + 15
-2x = 3 + 15

Combine like terms: 3 + 15 = 18
-2x = 18

Divide each side by '-2'.
x = -9

Simplifying
x = -9

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