30=-8(b-4)+6(2b-3)

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Solution for 30=-8(b-4)+6(2b-3) equation:


Simplifying
30 = -8(b + -4) + 6(2b + -3)

Reorder the terms:
30 = -8(-4 + b) + 6(2b + -3)
30 = (-4 * -8 + b * -8) + 6(2b + -3)
30 = (32 + -8b) + 6(2b + -3)

Reorder the terms:
30 = 32 + -8b + 6(-3 + 2b)
30 = 32 + -8b + (-3 * 6 + 2b * 6)
30 = 32 + -8b + (-18 + 12b)

Reorder the terms:
30 = 32 + -18 + -8b + 12b

Combine like terms: 32 + -18 = 14
30 = 14 + -8b + 12b

Combine like terms: -8b + 12b = 4b
30 = 14 + 4b

Solving
30 = 14 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
30 + -4b = 14 + 4b + -4b

Combine like terms: 4b + -4b = 0
30 + -4b = 14 + 0
30 + -4b = 14

Add '-30' to each side of the equation.
30 + -30 + -4b = 14 + -30

Combine like terms: 30 + -30 = 0
0 + -4b = 14 + -30
-4b = 14 + -30

Combine like terms: 14 + -30 = -16
-4b = -16

Divide each side by '-4'.
b = 4

Simplifying
b = 4

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