Question

3(x-5)=-21solve equation ​

Answer 1

Answer:

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Step-by-step explanation:

3(x-5)=-21

3x-15=-21

3x=-21+15

3x=-6

x=-2

Answer 2

$\sf \bf \huge {\boxed {\mathbb {QUESTION}}}$

$\tt Solve \:the\:equation$

$\sf \bf 3(x-5)=-21$

$\sf \bf \huge {\boxed {\mathbb {ANSWER}}}$

$\sf \bf\implies 3\Big(x-5\Big)=-21$

$\sf \bf\implies 3x-15=-21$

$\sf \bf\implies 3x=15-21$

$\sf \bf\implies 3x=-6$

$\sf \bf\implies x=\dfrac{-6}{3}$

$\implies {\boxed{\boxed{\color {blue} {\sf \bf x=-2}}}}$

$\sf \bf \huge {\boxed {\mathbb {HOPE \:IT \:HELPS \:YOU}}}$

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$\sf \bf \huge {\boxed {\mathbb {EXTRA\:INFORMATION}}}$

${\color {green} {\tt Identities}}$

$\sf \bf {(a+b)}^{2} ={a}^{2} +2ab+{b}^{2}$

$\sf \bf {(a-b)}^{2} ={a}^{2} - 2ab+{b}^{2}$

$\sf \bf (a+b) (a-b) ={a}^{2}-{b}^{2}$