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Popular >

expand-3(4-r=9)

Solution

expand

- 3 (4 - r = 9)

Solution

- 12 + 3 r = 9

Solution steps

- 3 (4 - r = 9)

= - 3 (4 - 9 = r)

Apply the distributive law:

a (b - c) = ab - a c

a = - 3, b = 4, c = r = 9

- 3 \cdot 4 - (- 3) r = 9

Apply minus-plus rules

- (- a) = a

- 3 \cdot 4 + 3 r = 9

Expand

- 3 \cdot 4 + 3 r : - 12 + 3 r

- 12 + 3 r = 9

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Frequently Asked Questions (FAQ)

What is expand-3(4-r=9) ?
The solution to expand-3(4-r=9) is -12+3r=9