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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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---------------------------------------------

If we go back to the original 7/21, we can reduce that to 1/3. Then ask what is 1/3 of 54? 18.

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