6x+9x-42=105-6x

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Solution for 6x+9x-42=105-6x equation:


Simplifying
6x + 9x + -42 = 105 + -6x

Reorder the terms:
-42 + 6x + 9x = 105 + -6x

Combine like terms: 6x + 9x = 15x
-42 + 15x = 105 + -6x

Solving
-42 + 15x = 105 + -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.
-42 + 15x + 6x = 105 + -6x + 6x

Combine like terms: 15x + 6x = 21x
-42 + 21x = 105 + -6x + 6x

Combine like terms: -6x + 6x = 0
-42 + 21x = 105 + 0
-42 + 21x = 105

Add '42' to each side of the equation.
-42 + 42 + 21x = 105 + 42

Combine like terms: -42 + 42 = 0
0 + 21x = 105 + 42
21x = 105 + 42

Combine like terms: 105 + 42 = 147
21x = 147

Divide each side by '21'.
x = 7

Simplifying
x = 7

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