18-(5x+3)=-3x-9

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Solution for 18-(5x+3)=-3x-9 equation:


Simplifying
18 + -1(5x + 3) = -3x + -9

Reorder the terms:
18 + -1(3 + 5x) = -3x + -9
18 + (3 * -1 + 5x * -1) = -3x + -9
18 + (-3 + -5x) = -3x + -9

Combine like terms: 18 + -3 = 15
15 + -5x = -3x + -9

Reorder the terms:
15 + -5x = -9 + -3x

Solving
15 + -5x = -9 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
15 + -5x + 3x = -9 + -3x + 3x

Combine like terms: -5x + 3x = -2x
15 + -2x = -9 + -3x + 3x

Combine like terms: -3x + 3x = 0
15 + -2x = -9 + 0
15 + -2x = -9

Add '-15' to each side of the equation.
15 + -15 + -2x = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = -9 + -15
-2x = -9 + -15

Combine like terms: -9 + -15 = -24
-2x = -24

Divide each side by '-2'.
x = 12

Simplifying
x = 12

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