139.95=-19.95a+7.50

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Solution for 139.95=-19.95a+7.50 equation:


Simplifying
139.95 = -19.95a + 7.50

Reorder the terms:
139.95 = 7.50 + -19.95a

Solving
139.95 = 7.50 + -19.95a

Solving for variable 'a'.

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

Add '19.95a' to each side of the equation.
139.95 + 19.95a = 7.50 + -19.95a + 19.95a

Combine like terms: -19.95a + 19.95a = 0.00
139.95 + 19.95a = 7.50 + 0.00
139.95 + 19.95a = 7.50

Add '-139.95' to each side of the equation.
139.95 + -139.95 + 19.95a = 7.50 + -139.95

Combine like terms: 139.95 + -139.95 = 0.00
0.00 + 19.95a = 7.50 + -139.95
19.95a = 7.50 + -139.95

Combine like terms: 7.50 + -139.95 = -132.45
19.95a = -132.45

Divide each side by '19.95'.
a = -6.639097744

Simplifying
a = -6.639097744

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