7x-3x-8=28

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Solution for 7x-3x-8=28 equation: 


Simplifying
7x + -3x + -8 = 28

Reorder the terms:
-8 + 7x + -3x = 28

Combine like terms: 7x + -3x = 4x
-8 + 4x = 28

Solving
-8 + 4x = 28

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 4x = 28 + 8

Combine like terms: -8 + 8 = 0
0 + 4x = 28 + 8
4x = 28 + 8

Combine like terms: 28 + 8 = 36
4x = 36

Divide each side by '4'.
x = 9

Simplifying
x = 9

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