7+3x+4=20

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Solution for 7+3x+4=20 equation: 


Simplifying
7 + 3x + 4 = 20

Reorder the terms:
7 + 4 + 3x = 20

Combine like terms: 7 + 4 = 11
11 + 3x = 20

Solving
11 + 3x = 20

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 3x = 20 + -11

Combine like terms: 11 + -11 = 0
0 + 3x = 20 + -11
3x = 20 + -11

Combine like terms: 20 + -11 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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