x+3-3x-15=8

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Solution for x+3-3x-15=8 equation:


Simplifying
x + 3 + -3x + -15 = 8

Reorder the terms:
3 + -15 + x + -3x = 8

Combine like terms: 3 + -15 = -12
-12 + x + -3x = 8

Combine like terms: x + -3x = -2x
-12 + -2x = 8

Solving
-12 + -2x = 8

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -2x = 8 + 12

Combine like terms: -12 + 12 = 0
0 + -2x = 8 + 12
-2x = 8 + 12

Combine like terms: 8 + 12 = 20
-2x = 20

Divide each side by '-2'.
x = -10

Simplifying
x = -10

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