5x+4+3x+8=28

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Solution for 5x+4+3x+8=28 equation: 


Simplifying
5x + 4 + 3x + 8 = 28

Reorder the terms:
4 + 8 + 5x + 3x = 28

Combine like terms: 4 + 8 = 12
12 + 5x + 3x = 28

Combine like terms: 5x + 3x = 8x
12 + 8x = 28

Solving
12 + 8x = 28

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 8x = 28 + -12

Combine like terms: 12 + -12 = 0
0 + 8x = 28 + -12
8x = 28 + -12

Combine like terms: 28 + -12 = 16
8x = 16

Divide each side by '8'.
x = 2

Simplifying
x = 2

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