18=6(b+6)-4(b+1)

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Solution for 18=6(b+6)-4(b+1) equation:


Simplifying
18 = 6(b + 6) + -4(b + 1)

Reorder the terms:
18 = 6(6 + b) + -4(b + 1)
18 = (6 * 6 + b * 6) + -4(b + 1)
18 = (36 + 6b) + -4(b + 1)

Reorder the terms:
18 = 36 + 6b + -4(1 + b)
18 = 36 + 6b + (1 * -4 + b * -4)
18 = 36 + 6b + (-4 + -4b)

Reorder the terms:
18 = 36 + -4 + 6b + -4b

Combine like terms: 36 + -4 = 32
18 = 32 + 6b + -4b

Combine like terms: 6b + -4b = 2b
18 = 32 + 2b

Solving
18 = 32 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
18 + -2b = 32 + 2b + -2b

Combine like terms: 2b + -2b = 0
18 + -2b = 32 + 0
18 + -2b = 32

Add '-18' to each side of the equation.
18 + -18 + -2b = 32 + -18

Combine like terms: 18 + -18 = 0
0 + -2b = 32 + -18
-2b = 32 + -18

Combine like terms: 32 + -18 = 14
-2b = 14

Divide each side by '-2'.
b = -7

Simplifying
b = -7

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