15-4A=30

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Solution for 15-4A=30 equation: 


Simplifying
15 + -4A = 30

Solving
15 + -4A = 30

Solving for variable 'A'.

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

Add '-15' to each side of the equation.
15 + -15 + -4A = 30 + -15

Combine like terms: 15 + -15 = 0
0 + -4A = 30 + -15
-4A = 30 + -15

Combine like terms: 30 + -15 = 15
-4A = 15

Divide each side by '-4'.
A = -3.75

Simplifying
A = -3.75

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