Question

NÚMERO -5 É RAIZ DA EQUAÇÃO: *
( ) x – 5 = 0
( ) -5 + x = 0
( ) x + 5 = 0
( ) 2x – 10 = 0

Answer 1

$\Large\boxed{\boxed{\boxed{{Ola\´\ }}}}}$

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$x - 5 = 0 \\ x - 5 + 5 = 0 + 5 \\ x = 0 + 5 \\ x = 5$

➖➖➖➖➖➖➖➖➖➖➖➖➖

$- 5 + x = 0 \\ - 5 + x + 5 = 0 + 5 \\ x = 0 + 5 \\ x = 5$

➖➖➖➖➖➖➖➖➖➖➖➖➖

✅

$x + 5 = 0 \\ x + 5 - 5 = 0 - 5 \\ x = x - 5 \\ x = - 5$

➖➖➖➖➖➖➖➖➖➖➖➖➖

$2x - 10 = 0 \\ 2x = 10 \\ x = \frac{10}{2} \\ x = 5$