4=9(b+7)

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Solution for 4=9(b+7) equation:


Simplifying
4 = 9(b + 7)

Reorder the terms:
4 = 9(7 + b)
4 = (7 * 9 + b * 9)
4 = (63 + 9b)

Solving
4 = 63 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
4 + -9b = 63 + 9b + -9b

Combine like terms: 9b + -9b = 0
4 + -9b = 63 + 0
4 + -9b = 63

Add '-4' to each side of the equation.
4 + -4 + -9b = 63 + -4

Combine like terms: 4 + -4 = 0
0 + -9b = 63 + -4
-9b = 63 + -4

Combine like terms: 63 + -4 = 59
-9b = 59

Divide each side by '-9'.
b = -6.555555556

Simplifying
b = -6.555555556

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