6x+42=9x-3

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Solution for 6x+42=9x-3 equation:


Simplifying
6x + 42 = 9x + -3

Reorder the terms:
42 + 6x = 9x + -3

Reorder the terms:
42 + 6x = -3 + 9x

Solving
42 + 6x = -3 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
42 + 6x + -9x = -3 + 9x + -9x

Combine like terms: 6x + -9x = -3x
42 + -3x = -3 + 9x + -9x

Combine like terms: 9x + -9x = 0
42 + -3x = -3 + 0
42 + -3x = -3

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

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

Combine like terms: -3 + -42 = -45
-3x = -45

Divide each side by '-3'.
x = 15

Simplifying
x = 15

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