3x-6=42+7x

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Solution for 3x-6=42+7x equation:


Simplifying
3x + -6 = 42 + 7x

Reorder the terms:
-6 + 3x = 42 + 7x

Solving
-6 + 3x = 42 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-6 + 3x + -7x = 42 + 7x + -7x

Combine like terms: 3x + -7x = -4x
-6 + -4x = 42 + 7x + -7x

Combine like terms: 7x + -7x = 0
-6 + -4x = 42 + 0
-6 + -4x = 42

Add '6' to each side of the equation.
-6 + 6 + -4x = 42 + 6

Combine like terms: -6 + 6 = 0
0 + -4x = 42 + 6
-4x = 42 + 6

Combine like terms: 42 + 6 = 48
-4x = 48

Divide each side by '-4'.
x = -12

Simplifying
x = -12

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