3B-4A=15

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Solution for 3B-4A=15 equation: 


Simplifying
3B + -4A = 15

Reorder the terms:
-4A + 3B = 15

Solving
-4A + 3B = 15

Solving for variable 'A'.

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

Add '-3B' to each side of the equation.
-4A + 3B + -3B = 15 + -3B

Combine like terms: 3B + -3B = 0
-4A + 0 = 15 + -3B
-4A = 15 + -3B

Divide each side by '-4'.
A = -3.75 + 0.75B

Simplifying
A = -3.75 + 0.75B

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