3x+(12.8+x)=200.3

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Solution for 3x+(12.8+x)=200.3 equation: 


Simplifying
3x + (12.8 + x) = 200.3

Remove parenthesis around (12.8 + x)
3x + 12.8 + x = 200.3

Reorder the terms:
12.8 + 3x + x = 200.3

Combine like terms: 3x + x = 4x
12.8 + 4x = 200.3

Solving
12.8 + 4x = 200.3

Solving for variable 'x'.

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

Add '-12.8' to each side of the equation.
12.8 + -12.8 + 4x = 200.3 + -12.8

Combine like terms: 12.8 + -12.8 = 0.0
0.0 + 4x = 200.3 + -12.8
4x = 200.3 + -12.8

Combine like terms: 200.3 + -12.8 = 187.5
4x = 187.5

Divide each side by '4'.
x = 46.875

Simplifying
x = 46.875

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