7+4x-x=16

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Solution for 7+4x-x=16 equation: 


Simplifying
7 + 4x + -1x = 16

Combine like terms: 4x + -1x = 3x
7 + 3x = 16

Solving
7 + 3x = 16

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 + 3x = 16 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 16 + -7
3x = 16 + -7

Combine like terms: 16 + -7 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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