3x-4+5x=28

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


Simplifying
3x + -4 + 5x = 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 = 32
8x = 32

Divide each side by '8'.
x = 4

Simplifying
x = 4

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