Question

Encontre o valor de x nas equações

abaixo:

a) 15 x−21=27

b) x

6

+96=50​

Answer 1

Resposta:

$15 x-21=27\\\\15x-21+21=27+21\\\\15x=48\\\\\frac{15x}{15}=\frac{48}{15}\\\\x=\frac{16}{5}\\\\\\\\x6+96=50\\\\x\cdot \:6+96-96=50-96\\\\x\cdot \:6=-46\\\\\frac{x\cdot \:6}{6}=\frac{-46}{6}\\\\x=-\frac{23}{3}$