4-2*b=72

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Solution for 4-2*b=72 equation:


Simplifying
4 + -2b = 72

Solving
4 + -2b = 72

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 + -2b = 72 + -4

Combine like terms: 4 + -4 = 0
0 + -2b = 72 + -4
-2b = 72 + -4

Combine like terms: 72 + -4 = 68
-2b = 68

Divide each side by '-2'.
b = -34

Simplifying
b = -34

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