6b + rb = D3
solve for b

b = D3/ (6+r)

Step-by-step explanation:

6b + rb = D3

Factor b out

b(6+r) = D3

Divide each side by (6+r)

b(6+r)/ (6+r) = D3/ (6+r)

b = D3/ (6+r)

b

step-by-step explanation:

given

- 2 (3x + 12y - 5 - 17x - 16y + 4 )

simplify the parenthesis by collecting like terms

= - 2 (- 14x - 4y - 1) ← distribute the parenthesis by - 2

= 28x + 8y + 2 → b

the first dot plot best represents the data

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