7a-b=15*a

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Solution for 7a-b=15*a equation:


Simplifying
7a + -1b = 15a

Solving
7a + -1b = 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
7a + -15a + -1b = 15a + -15a

Combine like terms: 7a + -15a = -8a
-8a + -1b = 15a + -15a

Combine like terms: 15a + -15a = 0
-8a + -1b = 0

Add 'b' to each side of the equation.
-8a + -1b + b = 0 + b

Combine like terms: -1b + b = 0
-8a + 0 = 0 + b
-8a = 0 + b
Remove the zero:
-8a = b

Divide each side by '-8'.
a = -0.125b

Simplifying
a = -0.125b

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