I want to ask for solutions of question 19 and 20

1 answer:

4 0

Need a better picture please so I can help

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Schach [20]

Answer:

$\frac{3}{2}$

Step-by-step explanation:

$4(2x - 5) = 2(3x - 4) - 6x = \\ 8x - 20 = 6x - 8 - 6x = \\ 8x = 20 - 6 \\ \frac{8x}{8} = \frac{20 - 8}{8} \\ x = \frac{3}{2}$

hope its clear ♡

5 0

2 years ago

pantera1 [17]

Answer:

Step-by-step explanation:

x+2x=24

x=8

2x=raisins=16

6 0

3 years ago

SVEN [57.7K]

Answer:

Terms:4x, -2x

Coefficients:4, 2

Constant:3

7 0

2 years ago

frozen [14]

180(n-2)
N is number of sides
Nonagon has 9 sides.
9-2=7
7x180=1260

5 0

3 years ago

ira [324]

Answer:

Step-by-step explanation:

5i ⋅i⋅(−2i)= −

10 ⋅ i2 ⋅ i= − 10 ⋅ (−1) ⋅ i = 10i

7 0

3 years ago