7x+6x=42+x

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


Simplifying
7x + 6x = 42 + x

Combine like terms: 7x + 6x = 13x
13x = 42 + x

Solving
13x = 42 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
13x + -1x = 42 + x + -1x

Combine like terms: 13x + -1x = 12x
12x = 42 + x + -1x

Combine like terms: x + -1x = 0
12x = 42 + 0
12x = 42

Divide each side by '12'.
x = 3.5

Simplifying
x = 3.5

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