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VashaNatasha [74]
3 years ago
9

Find the missing number (i.e. the coefficient in front of x) so that the equation has no solutions: □x + 4 = 4x + 15

Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0

Answer:

X=8

Step-by-step explanation:

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If the first step in the solution of the equation 2x - 8 = 5x + 3 is "subtract 2x," then in the form of a paragraph, explain in
monitta

x = \frac{-11}{3}

<u>Step-by-step explanation:</u>

Here we have , If the first step in the solution of the equation 2x - 8 = 5x + 3 is "subtract 2x," then in the form of a paragraph, explain in complete sentences the next steps necessary to completely solve the equation for x. Let's solve this :

2x - 8 = 5x + 3

⇒ 2x - 8 = 5x + 3

⇒ (2x - 8)-2x = (5x + 3)-2x { subtract 2x from both side }

⇒ 0 - 8 = 5x-2x + 3

⇒ - 8 = 3x + 3

⇒ - 8 -3= 3x + 3-3 { subtract 3 from both sides }

⇒ - 11 = 3x + 0

⇒ - 11 = 3x

⇒ \frac{-11}{3}  = \frac{3}{3} x { divide 3 from both sides }

⇒ x = \frac{-11}{3}

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3 years ago
9.3x10^7 - 3.4x10^6=
Salsk061 [2.6K]
Loook on google and find the answers
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3 years ago
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Solve each system of equations
marishachu [46]

Answer:

1. x = 7/2 + 5y/2

2. x = 3/4 - 5y/8

3. x = 1/8 = 5y/8

Step-by-step explanation:

Thats all i can do. Its too confusing

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Solve the initial value problem. dy/dt = 1 + 6/t , t &gt; 0, y = 8 when t = 1
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\displaystyle\frac{dy}{dt} = 1 + \frac{6}{t}\ \Rightarrow\ dy = \left( 1 + \frac{6}{t}\right) dt\ \Rightarrow\int 1\, dy = \int \left( 1 + \frac{6}{t}\right) dt \ \Rightarrow \\ \\&#10;y = t + 6\ln|t| + C. \text{ But $t\ \textgreater \ 0$ so }y = t + 6\ln t + C. \\ \\ &#10;y(1) = 8\ \Rightarrow\ 8 = 1 + 6 \ln 1 + C \ \Rightarrow\ C = 7 \text{ so } \\ \\&#10;y(t) = t + 6\ln t + 7
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Simplify the following fraction 4½-2⅝​
Sophie [7]

Answer:

Step-by-step explanation:

4 1/2 - 2 5/8

4 4/8 - 2 5/8 = 1 and 7/8

i mean i guess you could also do this witho ut sol ving

4 4/8 - 21/8 --> 36/8 - 21/8

i dk it's si mplify not solve so here?

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