x+7+6x=84

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Solution for x+7+6x=84 equation: 


Simplifying
x + 7 + 6x = 84

Reorder the terms:
7 + x + 6x = 84

Combine like terms: x + 6x = 7x
7 + 7x = 84

Solving
7 + 7x = 84

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 7x = 84 + -7

Combine like terms: 7 + -7 = 0
0 + 7x = 84 + -7
7x = 84 + -7

Combine like terms: 84 + -7 = 77
7x = 77

Divide each side by '7'.
x = 11

Simplifying
x = 11

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