20+7x+x=47

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Solution for 20+7x+x=47 equation: 


Simplifying
20 + 7x + x = 47

Combine like terms: 7x + x = 8x
20 + 8x = 47

Solving
20 + 8x = 47

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 8x = 47 + -20

Combine like terms: 20 + -20 = 0
0 + 8x = 47 + -20
8x = 47 + -20

Combine like terms: 47 + -20 = 27
8x = 27

Divide each side by '8'.
x = 3.375

Simplifying
x = 3.375

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