7x+4-x=28

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Solution for 7x+4-x=28 equation:


Simplifying
7x + 4 + -1x = 28

Reorder the terms:
4 + 7x + -1x = 28

Combine like terms: 7x + -1x = 6x
4 + 6x = 28

Solving
4 + 6x = 28

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 6x = 28 + -4

Combine like terms: 4 + -4 = 0
0 + 6x = 28 + -4
6x = 28 + -4

Combine like terms: 28 + -4 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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