3 years ago

Which equation is equivalent to 2/3(3x+9)=21

2 answers:

7 0

Answer:

2x+6=21 is equal to your equation

3 0

Answer:

Z Nansen

Step-by-step explanation:

S sba

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Alex17521 [72]

$x^2-x-42=0\\x^2+6x-7x-42=0\\x(x+6)-7(x+6)=0\\(x-7)(x+6)=0\\x=7 \vee x=-6$

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2 years ago

ELEN [110]

Answer: 18 dollars

Step-by-step explanation:

0.40 times 45 = 18 dollars

6 0

2 years ago

sweet-ann [11.9K]

Hello!

-2 3/8, -5.6, -4 1/2, 2.35.

Those are ordered from least to greatest!

I really hope you found this helpful! c:

8 0

3 years ago

nikitadnepr [17]

The answer is C. Trinomail

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3 years ago

Mekhanik [1.2K]

2z +7 = -5

2z = -5 -7

2z = -12

z= -12 /2

z= -6

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3 years ago

Which equation is equivalent to 2/3(3x+9)=21​