3.5y-7.2=-4.5+7.2

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Solution for 3.5y-7.2=-4.5+7.2 equation: 


Simplifying
3.5y + -7.2 = -4.5 + 7.2

Reorder the terms:
-7.2 + 3.5y = -4.5 + 7.2

Combine like terms: -4.5 + 7.2 = 2.7
-7.2 + 3.5y = 2.7

Solving
-7.2 + 3.5y = 2.7

Solving for variable 'y'.

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

Add '7.2' to each side of the equation.
-7.2 + 7.2 + 3.5y = 2.7 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + 3.5y = 2.7 + 7.2
3.5y = 2.7 + 7.2

Combine like terms: 2.7 + 7.2 = 9.9
3.5y = 9.9

Divide each side by '3.5'.
y = 2.828571429

Simplifying
y = 2.828571429

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