To solve the equation 12x = –72, you ?

1 answer:

6 0

12x=-72 //:12

12x:12=-72:12

x=-6

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Tamiku [17]

They are equal so...

15x+2 = 9x+20

15x-9x = 20-2

6x =18

x = 18/6 = 3

x = 3

6 0

3 years ago

crimeas [40]

6
think of this as the middle.
3 to the left to get to 3
And
3 to the right to get 9

3 0

3 years ago

ruslelena [56]

Answer:

3.9375

Step-by-step explanation:

3 0

3 years ago

lana [24]

Answer:

486 mm

Step-by-step explanation:

solve each side on it's own first

First 2 rectangles: 288 mm all together

2 rectangle: 144 mm

Triangles: 54 mm

Then add rectangles and triangles:

288 mm + 144 mm + 54 mm = 486 mm

8 0

3 years ago

Marianna [84]

Answer:

$y=-\frac{3}{2} x+3$

Step-by-step explanation:

5 0

3 years ago