3x+42=7x+6

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


Simplifying
3x + 42 = 7x + 6

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

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

Solving
42 + 3x = 6 + 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.
42 + 3x + -7x = 6 + 7x + -7x

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

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

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

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

Combine like terms: 6 + -42 = -36
-4x = -36

Divide each side by '-4'.
x = 9

Simplifying
x = 9

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