7x-3.5=28

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Solution for 7x-3.5=28 equation: 


Simplifying
7x + -3.5 = 28

Reorder the terms:
-3.5 + 7x = 28

Solving
-3.5 + 7x = 28

Solving for variable 'x'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + 7x = 28 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + 7x = 28 + 3.5
7x = 28 + 3.5

Combine like terms: 28 + 3.5 = 31.5
7x = 31.5

Divide each side by '7'.
x = 4.5

Simplifying
x = 4.5

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