Question

Solving equations
120 = -8(5b - 5)

Answer 1

Explanation:

120= -8(5b-5)

120= -40b + 40

80= -40b

- 2= b

Answer 2

`\boxed{\underline{\bf \: ANSWER}}`

`\sf \: 120 = - 8(5b - 5) \\ \sf \: \: Remove \: the \: brackets \: and \: multiply \: 8 \: and \: 5\: \\ \\ \sf \: 120 = - 40b + 40 \\ \sf \: 120 - 40 = - 40b \\ \sf \: 80 = - 40b \\ \sf ( 80)/( 40) = - b \\ \sf \: ( \bcancel80)/( \bcancel40) = - b \\ \sf \: 2 = - b \\ \longrightarrow \: \boxed{\underline{\bf - 2 = b}}`

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Hope it helps.

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