18=b-7b

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Solution for 18=b-7b equation:


Simplifying
18 = b + -7b

Combine like terms: b + -7b = -6b
18 = -6b

Solving
18 = -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
18 + 6b = -6b + 6b

Combine like terms: -6b + 6b = 0
18 + 6b = 0

Add '-18' to each side of the equation.
18 + -18 + 6b = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 6b = 0 + -18
6b = 0 + -18

Combine like terms: 0 + -18 = -18
6b = -18

Divide each side by '6'.
b = -3

Simplifying
b = -3

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