Question

the value of a which satisfies the equation 2a+5 =13 is ___​

Answer 1

Step-by-step explanation:

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Answer 2

$\large\sf\underline{Given:}$

• Equation , 2a + 5 = 13

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$\large\sf\underline{To\:find\::}$

• Value of a = ??

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$\large\sf\underline{Solution\::}$

$\sf\implies\:2a+5=13$

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• Transposing 5 to other side

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✭ Since 5 is having ${\sf{{\pink{+}}}}$ sign when we transpose it to other side it becomes ${\sf{{\pink{-}}}}$

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$\sf\implies\:2a=13-5$

$\sf\implies\:2a=8$

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• Transposing 2 to the other side

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✭ Since 2 has ${\sf{{\pink{×}}}}$ sign between it and a , when we transpose it to the other side it becomes ${\sf{{\pink{÷}}}}$

$\sf\implies\:a=\cancel{\frac{8}{2}}$

$\large{\mathfrak\red{\implies\:4}}$

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⠀⠀‎⠀⠀$\large{\mathfrak\orange{⚠\:Important:}}$

⠀Whenever one term is transpose from one ⠀side to other their is some change in ⠀mathematical operations. Let's see those ⠀changes briefly :

• ${\sf{{\purple{+}}}}$ changes into${\sf{{\purple{-}}}}$

• ${\sf{{\purple{-}}}}$ changes into${\sf{{\purple{+}}}}$

• ${\sf{{\purple{×}}}}$ changes into${\sf{{\purple{÷}}}}$

• ${\sf{{\purple{÷}}}}$ changes into${\sf{{\purple{×}}}}$

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!! Hope it helps !!