Simplify 7b-(3a-8b)

$7 b - (3 a - 8 b)$

Step 1

Simplify each term.

Apply the distributive property.

$7 b - (3 a) - (- 8 b)$

Multiply $3$ by $- 1$ .

$7 b - 3 a - (- 8 b)$

Multiply $- 8$ by $- 1$ .

$7 b - 3 a + 8 b$

$7 b - 3 a + 8 b$

Step 2

Add $7 b$ and $8 b$ .

$- 3 a + 15 b$

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