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puteri [66]
4 years ago
5

4(7x+3)=-3(2-9x) Please I need it quickly. It for school

Mathematics
2 answers:
weqwewe [10]4 years ago
6 0

Answer:

\huge{ \fbox{ \sf{x =  - 18}}}

Step-by-step explanation:

\text{4(7x + 3) =  - 3(2 - 9x)}

\text{Step \: 1 \:  : Distribute \: 4 \: through \: the \: parentheses}

\hookrightarrow{ \sf{28x + 12 =  - 3(2 - 9x)}}

\text{Step \: 2 \:  : Distribute \:  - 3 \: through \: the \: parentheses}

\hookrightarrow{ \sf{28x + 12 =  - 6 + 27x}}

\text{Step \: 3 \:  : Move \: 27x \: to \: left \: hand \: side \: and \: change \: its \: sign}

\hookrightarrow{ \sf{28x - 27x + 12 =  - 6}}

\text{Step \: 4 \:  : Move \: 12 \: to \: right \: hand \: side \: and \: change \: its \: sign}

\hookrightarrow{ \sf{28x - 27x =  - 6 - 12}}

\text{step \: 5 \:  : Collect \: like \: terms}

\text{Like \: terms \: are \: those \: which \: have \: the \: same \: base.}

\hookrightarrow{ \sf{x =  - 6 - 12}}

\text{step \: 6 \:  : Calculate}

\text{ \underline{ Remember!}} :  \sf{ \: The \: negative \: integers \: are \: always \: added \: but \: posses \: the \: negative \: ( - ) \: sign.}

\hookrightarrow{ \boxed{ \sf{x =  - 18}}}

Hope I helped!

Best wishes ! :D

~\text{TheAnimeGirl}

NeTakaya4 years ago
4 0

Answer: x=-18

Step-by-step explanation:

Solve for x by simplifying both sides of the equation, then isolating the variable.

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Answer:

\huge\boxed{\sf Volume = 16728.8 \ units^3}

Step-by-step explanation:

Diameter = 22 units

Radius = 11 units

\rule[225]{225}{2}

\sf Volume = \frac{4}{3} \pi r^3\\\\Volume = \frac{4}{3} (3.14)(11)^3\\\\Volume = \frac{4}{3} (3.14)(1331)\\\\Volume = \frac{4}{3} (4184.5)\\\\\bold{Volume = 16728.8 \ units^3}

\rule[225]{225}{2}

Hope this helped!

<h2>~AnonymousHelper1807</h2>
7 0
4 years ago
the area of the triangle formed by points of intersection of parabola y=a(x-3)(x+2) with the coordinate axes is 10. find a if it
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Step-by-step explanation:

6 0
3 years ago
Plz help!! if f(x)=1/x and g(x)=x+3, which of the following is the graph of (f*g)(x)
Nataly [62]

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Step-by-step explanation:

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6 0
3 years ago
What is the product of 2x + y and 5x – y + 3?
Radda [10]

Answer:

The product of 2x + y and 5x – y + 3 is 10x^2+ 3xy + 6x - y^2 + 3y

Step-by-step explanation:

The product of the two expressions can be expressed mathematically as;

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To obtain the product of these expressions, we simply expand the brackets as follows;

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Step-by-step explanation:

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