Evaluate 6(2r+(-1))+1

$6 (2 r + (- 1)) + 1$

Remove parentheses.

$6 (2 r - 1) + 1$

Simplify each term.

Apply the distributive property.

$6 (2 r) + 6 \cdot - 1 + 1$

Multiply $2$ by $6$ .

$12 r + 6 \cdot - 1 + 1$

Multiply $6$ by $- 1$ .

$12 r - 6 + 1$

$12 r - 6 + 1$

Add $- 6$ and $1$ .

$12 r - 5$

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