Question

Na equação 3x - 18 = 3, o valor de x é:

Answer 1

$\large{3x - 18 = 3}$

$\large{3x = 3 + 18}$

$\large{3x = 21}$

$\large{x = 21 \div 3}$

$\large \boxed{ \red{x= 7}}$

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