7.5+3x=28.5

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Solution for 7.5+3x=28.5 equation: 


Simplifying
7.5 + 3x = 28.5

Solving
7.5 + 3x = 28.5

Solving for variable 'x'.

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

Add '-7.5' to each side of the equation.
7.5 + -7.5 + 3x = 28.5 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + 3x = 28.5 + -7.5
3x = 28.5 + -7.5

Combine like terms: 28.5 + -7.5 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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