3x-15=6x+42

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Solution for 3x-15=6x+42 equation:


Simplifying
3x + -15 = 6x + 42

Reorder the terms:
-15 + 3x = 6x + 42

Reorder the terms:
-15 + 3x = 42 + 6x

Solving
-15 + 3x = 42 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-15 + 3x + -6x = 42 + 6x + -6x

Combine like terms: 3x + -6x = -3x
-15 + -3x = 42 + 6x + -6x

Combine like terms: 6x + -6x = 0
-15 + -3x = 42 + 0
-15 + -3x = 42

Add '15' to each side of the equation.
-15 + 15 + -3x = 42 + 15

Combine like terms: -15 + 15 = 0
0 + -3x = 42 + 15
-3x = 42 + 15

Combine like terms: 42 + 15 = 57
-3x = 57

Divide each side by '-3'.
x = -19

Simplifying
x = -19

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