9(7+b)=18

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Solution for 9(7+b)=18 equation: 


Simplifying
9(7 + b) = 18
(7 * 9 + b * 9) = 18
(63 + 9b) = 18

Solving
63 + 9b = 18

Solving for variable 'b'.

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

Add '-63' to each side of the equation.
63 + -63 + 9b = 18 + -63

Combine like terms: 63 + -63 = 0
0 + 9b = 18 + -63
9b = 18 + -63

Combine like terms: 18 + -63 = -45
9b = -45

Divide each side by '9'.
b = -5

Simplifying
b = -5

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