7(4b-4)=122

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Solution for 7(4b-4)=122 equation:


Simplifying
7(4b + -4) = 122

Reorder the terms:
7(-4 + 4b) = 122
(-4 * 7 + 4b * 7) = 122
(-28 + 28b) = 122

Solving
-28 + 28b = 122

Solving for variable 'b'.

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

Add '28' to each side of the equation.
-28 + 28 + 28b = 122 + 28

Combine like terms: -28 + 28 = 0
0 + 28b = 122 + 28
28b = 122 + 28

Combine like terms: 122 + 28 = 150
28b = 150

Divide each side by '28'.
b = 5.357142857

Simplifying
b = 5.357142857

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