3x+5x+4=28

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Solution for 3x+5x+4=28 equation: 


Simplifying
3x + 5x + 4 = 28

Reorder the terms:
4 + 3x + 5x = 28

Combine like terms: 3x + 5x = 8x
4 + 8x = 28

Solving
4 + 8x = 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 + 8x = 28 + -4

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

Combine like terms: 28 + -4 = 24
8x = 24

Divide each side by '8'.
x = 3

Simplifying
x = 3

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