$-3(m-2n)=12\ \ \ \ \ |:(-3)\\\\m-2n=-4\\\\\text{Solve for m:}\\\\m-2n=-4\ \ \ \ |+2n\\\\\boxed{m=2n-4,\ n\in\mathbb{R}}\\\\\text{Solve for n:}\\\\m-2n=-4\ \ \ \ |-m\\\\-2n=-m-4\ \ \ \ |:(-2)\\\\\boxed{n=\dfrac{m+4}{2},\ m\in\mathbb{R}}$

4 0

3 years ago

12 x 12 x 12 = 4 x # x 4 what number must replace the '#' symbol

marissa [1.9K]

Answer:

I'm pretty sure it's 108.

Step-by-step explanation:

12 x 12 x 12 = 1,728

4 x 4 = 16

1,728 ÷ 16 = 108

5 0

2 years ago

Which polynomial identity will prove that 64+27=91?

Elena L [17]

B-sum of cubes is the answer

3 0

3 years ago

Read 2 more answers

Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of drinks s

Vladimir [108]

She did not give and unknown value for iced tea

6 0

3 years ago