18=b-7a

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Solution for 18=b-7a equation:


Simplifying
18 = b + -7a

Reorder the terms:
18 = -7a + b

Solving
18 = -7a + b

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
18 + 7a = -7a + 7a + b

Combine like terms: -7a + 7a = 0
18 + 7a = 0 + b
18 + 7a = b

Add '-18' to each side of the equation.
18 + -18 + 7a = -18 + b

Combine like terms: 18 + -18 = 0
0 + 7a = -18 + b
7a = -18 + b

Divide each side by '7'.
a = -2.571428571 + 0.1428571429b

Simplifying
a = -2.571428571 + 0.1428571429b

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