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Allisa [31]
3 years ago
5

Solve each equation for xx. For each step, describe the operation used to convert the equation. How do you know that the initial

equation and the final equation have the same solution set?
a. 1/5[10−5(x−2)]=1/10(x+1)
b. x(5+x)=x²+3x+1
c. 2x(x²−2)+7x=9x+2x³
Mathematics
1 answer:
ladessa [460]3 years ago
4 0

Answer:

a. x=1.8?

Step-by-step explanation:

im not really sure but i need help also. Im sorry but i just thought to say something.

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skad [1K]

Answer:

x > -7

Step-by-step explanation:

-3x + 4 < 25

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May i have brainliest? :)

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3 years ago
If 12 juice boxes cost 4.20 how much do 15 cost
marin [14]

Answer:

5.25

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6 0
3 years ago
Together Vondra and Marion have 51 rocks.Marion has 2 times as many rocks as Vondra. How many rocks dose Marion have? How many r
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Answer:

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Step-by-step explanation:

1. 51 ÷ 3 = 17

2. Because Marion has 2 times the amount of rocks as Vondra you have do 17 × 2 = 34

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