105=7x+x+9

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Solution for 105=7x+x+9 equation:


Simplifying
105 = 7x + x + 9

Reorder the terms:
105 = 9 + 7x + x

Combine like terms: 7x + x = 8x
105 = 9 + 8x

Solving
105 = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
105 + -8x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
105 + -8x = 9 + 0
105 + -8x = 9

Add '-105' to each side of the equation.
105 + -105 + -8x = 9 + -105

Combine like terms: 105 + -105 = 0
0 + -8x = 9 + -105
-8x = 9 + -105

Combine like terms: 9 + -105 = -96
-8x = -96

Divide each side by '-8'.
x = 12

Simplifying
x = 12

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