7.50-2.50a=12.50

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Solution for 7.50-2.50a=12.50 equation: 


Simplifying
7.50 + -2.50a = 12.50

Solving
7.50 + -2.50a = 12.50

Solving for variable 'a'.

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

Add '-7.50' to each side of the equation.
7.50 + -7.50 + -2.50a = 12.50 + -7.50

Combine like terms: 7.50 + -7.50 = 0.00
0.00 + -2.50a = 12.50 + -7.50
-2.50a = 12.50 + -7.50

Combine like terms: 12.50 + -7.50 = 5
-2.50a = 5

Divide each side by '-2.50'.
a = -2

Simplifying
a = -2

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