x+3+7x=55

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Solution for x+3+7x=55 equation: 


Simplifying
x + 3 + 7x = 55

Reorder the terms:
3 + x + 7x = 55

Combine like terms: x + 7x = 8x
3 + 8x = 55

Solving
3 + 8x = 55

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 8x = 55 + -3

Combine like terms: 3 + -3 = 0
0 + 8x = 55 + -3
8x = 55 + -3

Combine like terms: 55 + -3 = 52
8x = 52

Divide each side by '8'.
x = 6.5

Simplifying
x = 6.5

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