18=2b+4b

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Solution for 18=2b+4b equation:


Simplifying
18 = 2b + 4b

Combine like terms: 2b + 4b = 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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