4-b=7a

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Solution for 4-b=7a equation:


Simplifying
4 + -1b = 7a

Solving
4 + -1b = 7a

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + -1b = -4 + 7a

Combine like terms: 4 + -4 = 0
0 + -1b = -4 + 7a
-1b = -4 + 7a

Divide each side by '-1'.
b = 4 + -7a

Simplifying
b = 4 + -7a

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