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Answer:

2) x = -21

3) x = 12

//appreciate if marked me as brainliest//

AadhPrit

Answer:

2) x = -21

3) x = 12

Step-by-step explanation:

Solution :

In both questions we need to find the value of x. So, let's solve!

2) x/-3 + 5 = 12

[tex] \implies{\sf{\dfrac{x}{ - 3} + 5 = 12}}[/tex]

[tex] \implies{\sf{\dfrac{x}{ - 3}= 12 - 5}}[/tex]

[tex] \implies{\sf{\dfrac{x}{ - 3}= 7}}[/tex]

[tex] \implies{\sf{x = 7 \times - 3}}[/tex]

[tex] \implies{\sf{x = - 21}}[/tex]

[tex]\star \: \: {\underline{\boxed{\tt{\red{x = - 21}}}}}[/tex]

Hence, the value of x is -21.

[tex]\begin{gathered}\end{gathered}[/tex]

3) 3/4x - 5 = 4

[tex]{\implies{\sf{\dfrac{3}{4}x + 5 = 4}}}[/tex]

[tex]{\implies{\sf{\dfrac{3}{4} \times x= 4 + 5}}}[/tex]

[tex]{\implies{\sf{\dfrac{3x}{4} = 9}}}[/tex]

[tex]{\implies{\sf{x = 9 \times \dfrac{4}{3}}}}[/tex]

[tex]{\implies{\sf{x = \cancel{9}\times \dfrac{4}{\cancel{3}}}}}[/tex]

[tex]{\implies{\sf{x = 3 \times 4}}}[/tex]

[tex]{\implies{\sf{x = 12}}}[/tex]

[tex]\star \: \: {\underline{\boxed{\tt{\red{x = 12}}}}}[/tex]

Hence, the value of x is 12.

[tex]\rule{300}{2.5}[/tex]

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