3 years ago

What is the first step in solving the equation Two-thirds x + one-third x + 2 = 5?

1 answer:

7 0

Answer:

Step-by-step explanation:

Subtract One-third from each side of the equation.

Add 2 to each side of the equation.

Combine like terms.

Multiply each side of the equation by 5.

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mr_godi [17]

$\text{use:}\\(a-b)^2=a^2-2ab+b^2\\\\(5-2i)^2=5^2-2\cdot5\cdot2i+(2i)^2=25-20i+2^2i^2\\\\=25-20i+4(-1)=25-20i-4=21-20i\\\\i^3=i^2\cdot i=(-1)i=-i$

$(5-2i)^2-i^3=21-20i-(-i)=21-20i+i=21-19i$

8 0

4 years ago

elena55 [62]

Answer:

B is the answer

Step-by-step explanation:

3 0

3 years ago

leva [86]

Answer:

bored, so how do you solve it?

6 0

2 years ago

34kurt

Answer:

z=7

Step-by-step explanation:

If z represents 1/2 of 14, then z=14*1/2=14/2=7

6 0

3 years ago

mamaluj [8]

Answer:

x>-15 degrees

Step-by-step explanation The question states that the temperature has to stay above 15 so then it could be anything above -15 degrees.

3 0

4 years ago