9(-14b+8)=2-4(20b+17)

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Solution for 9(-14b+8)=2-4(20b+17) equation:


Simplifying
9(-14b + 8) = 2 + -4(20b + 17)

Reorder the terms:
9(8 + -14b) = 2 + -4(20b + 17)
(8 * 9 + -14b * 9) = 2 + -4(20b + 17)
(72 + -126b) = 2 + -4(20b + 17)

Reorder the terms:
72 + -126b = 2 + -4(17 + 20b)
72 + -126b = 2 + (17 * -4 + 20b * -4)
72 + -126b = 2 + (-68 + -80b)

Combine like terms: 2 + -68 = -66
72 + -126b = -66 + -80b

Solving
72 + -126b = -66 + -80b

Solving for variable 'b'.

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

Add '80b' to each side of the equation.
72 + -126b + 80b = -66 + -80b + 80b

Combine like terms: -126b + 80b = -46b
72 + -46b = -66 + -80b + 80b

Combine like terms: -80b + 80b = 0
72 + -46b = -66 + 0
72 + -46b = -66

Add '-72' to each side of the equation.
72 + -72 + -46b = -66 + -72

Combine like terms: 72 + -72 = 0
0 + -46b = -66 + -72
-46b = -66 + -72

Combine like terms: -66 + -72 = -138
-46b = -138

Divide each side by '-46'.
b = 3

Simplifying
b = 3

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