3b+7=a

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Solution for 3b+7=a equation: 


Simplifying
3b + 7 = a

Reorder the terms:
7 + 3b = a

Solving
7 + 3b = a

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + 3b = -7 + a

Combine like terms: 7 + -7 = 0
0 + 3b = -7 + a
3b = -7 + a

Divide each side by '3'.
b = -2.333333333 + 0.3333333333a

Simplifying
b = -2.333333333 + 0.3333333333a

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