3x+6+x=7

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Solution for 3x+6+x=7 equation: 


Simplifying
3x + 6 + x = 7

Reorder the terms:
6 + 3x + x = 7

Combine like terms: 3x + x = 4x
6 + 4x = 7

Solving
6 + 4x = 7

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 4x = 7 + -6

Combine like terms: 6 + -6 = 0
0 + 4x = 7 + -6
4x = 7 + -6

Combine like terms: 7 + -6 = 1
4x = 1

Divide each side by '4'.
x = 0.25

Simplifying
x = 0.25

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