3x-5(x+3)=12

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Solution for 3x-5(x+3)=12 equation:


Simplifying
3x + -5(x + 3) = 12

Reorder the terms:
3x + -5(3 + x) = 12
3x + (3 * -5 + x * -5) = 12
3x + (-15 + -5x) = 12

Reorder the terms:
-15 + 3x + -5x = 12

Combine like terms: 3x + -5x = -2x
-15 + -2x = 12

Solving
-15 + -2x = 12

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 = 12 + 15

Combine like terms: -15 + 15 = 0
0 + -2x = 12 + 15
-2x = 12 + 15

Combine like terms: 12 + 15 = 27
-2x = 27

Divide each side by '-2'.
x = -13.5

Simplifying
x = -13.5

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