4(4)-b=20

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Solution for 4(4)-b=20 equation:


Simplifying
4(4) + -1b = 20

Multiply 4 * 4
16 + -1b = 20

Solving
16 + -1b = 20

Solving for variable 'b'.

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

Add '-16' to each side of the equation.
16 + -16 + -1b = 20 + -16

Combine like terms: 16 + -16 = 0
0 + -1b = 20 + -16
-1b = 20 + -16

Combine like terms: 20 + -16 = 4
-1b = 4

Divide each side by '-1'.
b = -4

Simplifying
b = -4

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