Question

9x+3=30 please give the answer​

Answer 1

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9x = 30-3

9x= 27

x= 27÷9

x= 3

Answer 2

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$\underline {\bold {First\: method:}}$

$\implies 9x + 3 = 30 \\ \implies 9x = 30 - 3 \\ \implies 9x = 27 \\\implies x = \frac{27}{9} \\ \implies x = 3$

$\underline {\bold {Second\: method:}}$

$\implies 9x + 3= 30 \\ \implies 9x + 3 - 3 = 30 - 3 \\ \implies 9x + 0 = 27 \\ \implies 9x = 27 - 0 \\ \implies 9x = 27 \\ \implies \frac{9x}{9} = \frac{27}{9} \\ \implies x = 3$